LG LM-K420YM User Manual Download Page 126

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Appendix

125

Trademarks

•

LG logo are registered trademarks of LG Group and its related entities.

•

Google, Google Maps, Gmail, YouTube, Google Duo, Google Play,

Android, Chrome, Google Photos, Google Play Protect, Google Calendar,

Google Docs, Google Drive, Google Sheets and other related marks and

logos are trademarks of Google LLC.

•

Bluetooth

is a registered trademark of Bluetooth SIG, Inc. worldwide.

•

Wi-Fi

and the Wi-Fi logo are registered trademarks of the Wi-Fi

Alliance.

•

All other trademarks and copyrights are the property of their

respective owners.

Summary of Contents for LM-K420YM

Page 2: ...stalling software from unofficial sources may damage the device and lead to data corruption or data loss Such actions will violate your LG licence agreement and void your warranty Some content and illustrations may differ from your device depending on the area service provider software version or OS version and are subject to change without prior notice Software audio wallpaper images and other me...

Page 3: ...user guide Instructional notices WARNING Situations that could cause injury to the user and third parties CAUTION Situations that may cause minor injury or damage to the device NOTE Notices or additional information ...

Page 4: ...2 Basic Functions 28 Product components and accessories 29 Parts overview 33 Turning the power on or off 34 Installing the SIM card 36 Inserting the memory card 37 Removing the memory card 37 Battery 40 Touch screen 43 Home screen 51 Screen lock 54 Memory card encryption 55 Taking screenshots 56 Content sharing 57 Do not disturb 6 Guidelines for safe and efficient use ...

Page 5: ...uncher 90 Smart Doctor 90 LG Mobile Switch 90 App trash 91 RemoteCall Service 91 Cell Broadcast 91 Google apps 04 Settings 95 Settings 95 Network internet 101 Connected devices 103 Sound 105 Notifications 105 Display 106 Wallpaper theme 106 Lock screen security 108 Privacy 109 Location 109 Extensions 111 Apps 111 Battery 112 Storage 112 Accounts 112 Digital Wellbeing parental controls 113 Google 1...

Page 6: ...LG Bridge 121 Phone software update 123 Anti Theft Guide 124 Open Source Software Notice Information 124 Regulatory information RegulationID number E labeling etc 125 Trademarks 126 Laser safety statement 126 DECLARATION OF CONFORMITY 127 More information 129 FAQ ...

Page 7: ... Rate or SAR Tests for SAR are conducted using standardised methods with the device transmitting at its highest certified power level in all used frequency bands While there may be differences between the SAR levels of various LG device models they are all designed to meet the relevant guidelines for exposure to radio waves The SAR limit recommended by the International Commission on Non Ionizing ...

Page 8: ...n or shock Switch off the device in any area where you are required to by special regulations For example do not use your device in hospitals as it may affect sensitive medical equipment Do not handle the device with wet hands while it is being charged It may cause an electric shock and can seriously damage your device Do not charge a handset near flammable material as the handset can become hot a...

Page 9: ...vice Damage to your device as a result of exposure to liquid is not covered under your warranty A mobile device requires proper air circulation in order to dissipate heat Direct skin contact and inadequate circulation of air flow to the device may cause the device to overheat The device must be at least 1 0cm from between the user s body Prevent dust of any other foreign substances from getting in...

Page 10: ...between 0 ºC and 40 ºC if possible Exposing your device to extremely low or high temperatures may result in damage malfunction or even explosion Road safety Check the laws and regulations on the use of devices in the area when you drive Do not use a hand held device while driving Give full attention to driving Pull off the road and park before making or answering a call if driving conditions so re...

Page 11: ...g loss Glass Parts Some parts of your device are made of glass This glass could break if your device is dropped on a hard surface or receives a substantial impact If the glass breaks do not touch or attempt to remove it Stop using your device until the glass is replaced by an authorised service provider Blasting area Do not use the device where blasting is in progress Observe restrictions and foll...

Page 12: ...s acceptable performance The battery pack may be recharged hundreds of times before it needs replacing Recharge the battery if it has not been used for a long time to maximise usability Do not expose the battery charger to direct sunlight or use it in high humidity such as in the bathroom Do not leave the battery in hot or cold places as this may deteriorate battery performance Risk of explosion i...

Page 13: ...unctions or to your personal information Check your personal accounts regularly If you find any sign of misuse of your personal information ask your service provider to delete or change your account information If your device is lost or stolen change the password of your account to secure your personal information Do not use applications from unknown sources Notice for Battery replacement For your...

Page 14: ...Custom designed Features 01 ...

Page 15: ...ider range than your actual field of vision by using the wide angle on the rear camera Tap then tap x1 0 to switch between the standard and wide angle Change the camera angle Rear Camera See Gallery overview for details You can switch between the standard and wide angle camera lenses on the rear camera only ...

Page 16: ...to Keep the distance to your subject within 1 3 5 0 feet when using the rear camera This feature is not available if the surroundings are too dark After applying this feature tap the desired position on the preview screen to automatically apply the exposure value and focus when using the rear camera or exposure value only when using the front camera ...

Page 17: ...he scene is applied To apply other effects tap the scene icon Pet city flower food landscape person sunset auto total 8 categories can be recognised automatically Sunset Flower The result of the scene recognition may differ depending on the illumination or the location of the subject while taking photos Keywords do not appear on the actual photos or videos This feature is available only when the f...

Page 18: ...ct 1 Tap and select Sticker by swiping camera modes Select a desired sticker by swiping stickers 2 Tap to take a photo or tap and hold to record a video The front and rear cameras cannot be switched while recording a video 3 Tap to end the video recording The photo or video will be saved in Gallery Set timer setting Set camera Choose screen ratio ...

Page 19: ...ne and tap to activate it If you connect an external audio device such as an earphone or speaker to the product a pop up appears to turn on the LG 3D Sound Engine feature Google Assistant Google Assistant overview Your device has the built in Google Assistant feature Find answers and get things done while on the go To use this feature first connect to the network Launching Google Assistant 1 Press...

Page 20: ...re on the home screen tap Settings Lock screen security Secure lock settings Smart Lock and then use the screen lock method you set to unlock the device You need to unlock the device by using the specified method if you fail to unlock the device with voice recognition See Setting a screen lock for details 5 Tap Finish Accessing by Voice 1 When the home screen is turned off or locked say OK Google ...

Page 21: ...erprint on your device first before using the fingerprint recognition function You can use the fingerprint recognition function in the following cases To unlock the screen To view the locked content in the QuickMemo Confirm a purchase by signing into an app or identifying yourself with your fingerprint You can use fingerprint data for user authentication There is a possibility that the fingerprint...

Page 22: ...e the sensor and the finger clean and remove all moisture before putting the finger on the sensor If the finger s surface is rough due to it being scarred or pruney from water the sensor may not be able to recognise the fingerprint In such a case register another fingerprint If you bend your finger or use the fingertip only your fingerprint may not be recognised Make sure that your finger covers t...

Page 23: ... the on screen instructions See Setting a screen lock for details 2 Place your finger on the fingerprint sensor on the device and adjust it little by little Gently press the fingerprint sensor so that the sensor can recognise your fingerprint Ensure that your finger covers the entire surface of the fingerprint sensor 3 Follow the on screen instructions Until the fingerprint registration is complet...

Page 24: ... method 3 From the fingerprint list tap a fingerprint to rename it To delete it tap Unlocking the screen with a fingerprint You can unlock the screen or view the locked content by using your fingerprint Activate the desired function 1 On the home screen tap Settings Lock screen security Fingerprints 2 Unlock according to the specified lock method 3 On the fingerprint settings screen activate the d...

Page 25: ...e screen and easily switch between them at any time 1 Swipe up on from the bottom of the screen 2 Tap the app icon on the top left of the app screen and select Pop up window If you tap the app icon the App info Multi window Pop up window and Pin app options appear 3 The app appears in the form of a pop up window on the screen This feature may not be available in some apps or screens ...

Page 26: ...ar area Using the app folder for pop up windows If you tap on the pop up window the pop up window is minimised into the app icon You can move the app icon anywhere you want by dragging it If two or more pop up windows are minimised the app folder is created to contain the app icons The recently used app icon is used as the app folder icon If you tab the icon all the icons for the minimised pop up ...

Page 27: ... bottom half of the screen When using Buttons only navigation 1 Tap on the navigation bar Recently used apps appear If you tap the app icon the App info Multi window Pop up window and Pin app options appear 2 Tap the app icon on the top left of the app to be displayed in the multiwindow and select The selected app appears at the top half of the screen 3 Tap the other app to be displayed in the mul...

Page 28: ...Basic Functions 02 ...

Page 29: ...are made of tempered glass If you drop your device on a hard surface or subject it to severe impact the tempered glass may be damaged If this happens stop using your device immediately and contact an LG Customer Service Centre If any of these basic items are missing contact the dealer from which you purchased your device To purchase additional items contact an LG Customer Service Centre Some items...

Page 30: ...camera lens Volume keys Google Assistant key Stereo headset jack Proximity Ambient light sensor Power Lock key Fingerprint sensor Touch screen Charger USB cable port Nano SIM Memory card tray NFC Microphone Flash Microphone Rear camera lenses Speaker ...

Page 31: ...urns the screen back on and enables touch functionality when the device is outside a specific range Ambient light sensor The ambient light sensor analyses the ambient light intensity when the auto brightness control mode is turned on Volume keys Adjust the volume for ringtones calls or notifications While using the Camera gently press a Volume key to take a photo To take continuous photos press an...

Page 32: ... specifications of different telecommunications providers There is the NFC chip built into the rear part of the product Be careful not to damage or cover the NFC chip Do not put heavy objects on the device or sit on it Failure to do so may damage the touch screen Screen protective film or accessories may interfere with the proximity sensor If your device is wet or is being used in a humid place th...

Page 33: ...alking on the phone do not cover the microphone with your hand or fingers Do not use a phone case that is not a genuine product or cover the microphone with accessories tape etc Hold the product correctly as shown in the image when you are using it Do not cover the microphone Do not cover the microphone Microphone Microphone ...

Page 34: ... key then select Power off Restarting the device When the device is not working properly or does not respond restart it by following the instructions below 1 Press and hold the Power Lock key and the Volume Down key at the same time until the power is turned off 2 When the device is restarted release the key Power control options Press and hold the Power Lock key then select an option Power off Tu...

Page 35: ...nt and dust resistant features to work effectively the card tray must be inserted correctly 1 Insert the pin into the hole of the card tray and press the pin and then pull the card tray out of the product 2 Align the Nano SIM card or memory card on the card tray and press the card in the direction of the arrow as shown in the figure 3 Insert the card tray into the phone as shown in the figure Memo...

Page 36: ...ly in the direction of arrow as shown in the figure Make sure that the card placed on the card tray does not move out of its position Insert the SIM card with the gold coloured contacts facing downwards Be sure to insert the SIM card into the device by following the instructions in the user manual If you insert or remove the card tray from the device be careful not to let water or other liquids en...

Page 37: ... the hole on the card tray 2 Pull out the card tray 3 Put the memory card on the card tray with the gold coloured contacts facing downwards SIM card Memory card optional sold separately 4 Insert the card tray back into the slot Some memory cards may not be fully compatible with the device If you use an incompatible card it may damage the device or the memory card or corrupt the data stored in it F...

Page 38: ...ray 4 Insert the card tray back into the slot Do not remove the memory card while the device is transferring or accessing information This may cause data to be lost or corrupted or may damage the memory card or the device LG is not responsible for losses that result from the abuse or improper use of memory cards including the loss of data Battery Charging the battery Before using the device fully ...

Page 39: ...ging adapter provided with the product as basic components Your device has an internal rechargeable battery For your safety do not remove the embedded battery Using the device when it is charging may cause electric shock To use the device stop charging it Remove the charger from the power socket after the device is fully charged This prevents unnecessary power consumption Another way to charge the...

Page 40: ...rotective case is inserted the device may not charge properly LG Electronics is not responsible for any issues concerning accessories of other brands For such issues contact the manufacturer of the accessory product Using the battery efficiently Battery lifespan may decrease if you keep many apps and functions running simultaneously and continuously Cancel background operations to increase battery...

Page 41: ...arise yourself with how to control your device by using touch screen gestures Tapping Lightly tap with your fingertip to select or run an app or option Touching and holding Touch and hold for several seconds to display a menu with available options ...

Page 42: ...nd hold an item such as an app or widget then move your finger to another location in a controlled motion You can use this gesture to move an item Swiping Touch the screen with your finger and move it quickly without pausing You can use this gesture to scroll through a list a web page photos screens and more ...

Page 43: ...ion with an ambient light that is not too bright and bright enough to read books Do not press the screen with excessive force Gently tap with your fingertip on the option you want Touch control may not work properly if you tap while wearing a glove or by using the tip of your fingernail Touch control may not work properly if the screen is moist or wet The touch screen may not function properly if ...

Page 44: ...u can manage all apps and widgets on the Home screen Swipe the screen left or right to view all installed apps at a glance Home screen layout You can view all apps and organise widgets and folders on the Home screen Quick access area Navigation bar Folder Status bar Weather widget Page icon Google Search widget The Home screen may differ depending on the manufacturer policy user settings software ...

Page 45: ...they can be accessed from any Home screen canvas Navigation bar You can go to the previous screen or home screen while using the app and check the list of apps you used recently Using Navigation bar Here is the gestures guide to control the Navigation bar To go to Home screen swipe up from the bottom edge of the screen To go back to the previous screen swipe in from the left or right edge of the s...

Page 46: ...larm is set Vibrate mode is on Bluetooth is on Connected to a computer via USB Battery level Airplane mode is on Missed calls Wi Fi is connected Mute mode is on GPS is on Hotspot is on No SIM card The NFC mode is on Some of these icons may appear differently or may not appear at all depending on the device s status Refer to the icons according to the actual environment and area in which you are us...

Page 47: ...r tap the arrow icon to open the list of quick setting icons You can tap to add delete or arrange icons in the notice window If you touch and hold the icon the settings screen for the corresponding function appears You can use the notifications panel even on the lock screen Drag the notifications panel while the screen is locked to quickly access the desired features ...

Page 48: ... screen On the Home screen touch and hold on an empty space then select the desired action from below To rearrange the Home screen canvases touch and hold on a canvas then drag it to another location To add a widget to the Home screen touch and hold on a blank area of the Home screen then select Widgets To change wallpapers and themes touch and hold on a blank area of the Home screen then select W...

Page 49: ...on a blank area of the Home screen then select Home screen settings See Home screen settings for details To view or reinstall the uninstalled apps touch and hold on a blank area of the Home screen then select App trash See App trash for details To change the default screen touch and hold on a blank area of the Home screen move to desired screen tap then tap the screen once more Default screen ...

Page 50: ...plays apps and widgets pinch your fingers on the Home screen or drag up from the bottom edge of the screen Moving apps on the Home screen On the Home screen touch and hold an app then drag it to another location To keep frequently used apps at the bottom of the Home screen touch and hold an app then drag it to the quick access area at the bottom To remove an icon from the quick access area drag th...

Page 51: ...the folder touch and hold the app and drag it to outside the folder If the removed app is the only one app that existed in the folder the folder is removed automatically You can also add or remove apps after tapping You cannot change the folder colour while using downloaded theme Home screen settings You can customise the Home screen settings 1 On the home screen tap Settings Display Home screen 2...

Page 52: ... Home screen lock Enable to prevent apps and widgets from being rearranged or removed Screen lock Screen lock overview Your device s screen turns off and locks itself if you press the Power Lock key This also happens after the device is left idle for a specified period of time If you press the Power Lock key when a screen lock is not set the Home screen appears immediately To ensure security and p...

Page 53: ...ck the screen by using your fingerprint Customise Lock screen You can customise lock screen 1 On the home screen tap Settings Lock screen security Customize Lock screen 2 Select a function you want to set Wallpaper Allow you to set the background for your Lock screen Clock Allow you to set the size of the clock on the Lock screen Shortcuts Allow you to choose apps to run on your Lock screen This s...

Page 54: ...ock biometric unlocking and notifications on the lock screen Smart Lock Allow you to set trusted devices places voice and or on body detection that will allow your phone to remain unlocked Available menu options may vary depending on the lock screen method selected KnockON You can turn the screen on or off by double tapping the screen This option is available only on the Home screen provided by LG...

Page 55: ...ata saved on the memory card The encrypted data in the memory card cannot be accessed from another device 1 On the home screen tap Settings Lock screen security Encryption credentials Encrypt SD card 2 Read the on screen overview of memory card encryption and then tap Continue to continue 3 Select an option and tap Encrypt now New data encryption Encrypt only data that is saved on the memory card ...

Page 56: ...ncrypted memory card on another mobile device format the card You can activate memory card encryption even when no memory card is installed into the device Any memory card that is installed after encryption will automatically be encrypted Taking screenshots You can take screenshots of the current screen you are viewing Via a shortcut Press and hold the Power Lock key and the Volume Down key at the...

Page 57: ... date Viewing content from nearby devices You can view content from various devices such as a computer NAS or mobile device by using the Gallery or Music apps Connecting the devices Connect both your device and another device that support DLNA function to the same wireless network Make sure that File sharing DLNA is activated on both the device and the connected device Searching for nearby devices...

Page 58: ... network as the file transfer target device Make sure that File sharing is activated on both devices Do not disturb You can limit or mute notifications to avoid disturbances for a specific period of time On the home screen tap Settings Sound Do not disturb Mode and select the mode you want Priority only Receive sound or vibrate notifications for the selected apps Even when Priority only is turned ...

Page 59: ...m Set up a range of notifications when receiving a message Use Do not disturb Turn on the Do not disturb feature Sleeping Set the schedule for which you want to turn on the Do not disturb feature Help View the help for Do not disturb ...

Page 60: ...Useful Apps 03 ...

Page 61: ...plan SmartWorld may not be supported depending on the area or service provider Uninstalling apps Uninstall apps that you no longer use from your device Uninstalling with the touch and hold gesture Press and hold any empty area on the screen and then press of the app you want to delete Uninstalling by using the settings menu On the home screen tap Settings Apps App info select an app then tap Unins...

Page 62: ...elected app Remove the uninstalled apps permanently from the device Uninstalled apps are automatically removed from the device 24 hours after they were uninstalled If you want to reinstall the uninstalled apps you must download them again from the app store This feature is activated on the default Home screen only If you uninstall apps while using the EasyHome screen or other launcher they are imm...

Page 63: ...g a phone number and making a call from the contact list or the list of recent calls Making a call from the keypad 1 On the home screen tap Dial 2 Make a call by using a method of your choice Enter a phone number and tap Touch and hold a speed dial number Search for a contact by tapping the initial letter of a contact name in the contact list and then tap ...

Page 64: ...home screen tap Settings Network internet Call Answer and end calls and then activate End call with the Power key On the home screen tap Settings Network internet Call Answer and end calls End call with the Power key you can end a call by pressing the Lock Power key while the call in process screen is turned on Rejecting a call To reject an incoming call drag across the incoming call screen To sen...

Page 65: ...tus bar at the top of the screen displays To view missed call details drag the status bar downwards You can also tap Call logs on the home screen Functions accessible during a call During a call you can access a variety of functions by tapping the on screen buttons Contacts View the contact list during a call Hold Place the current call on hold Dialpad Display or hide the dial pad Speaker Turn on ...

Page 66: ... on the home screen tap Call logs Then you can use the following functions To view detailed call records select a contact To make a call to the selected contact tap To delete call records tap Delete The displayed call duration may differ from the call charge Consult with your service provider for more information The deleted call history can not be restored Pinch two fingers or spread your fingers...

Page 67: ...a message To use multimedia options tap To access optional menu items tap 4 Tap to send the message Reading a message You can view exchanged messages organised by contact 1 On the home screen tap 2 Select a contact from the message list Configuring messaging settings You can change messaging settings to suit your preferences 1 On the home screen tap 2 Tap Settings from the message list You can des...

Page 68: ...details Refrain from using the product for a purpose that may violate someone else s privacy or rights Taking a photo You can take photos with the camera in the product 1 Tap and focus on the subject You can touch the subject to focus on You may spread or pinch two fingers to zoom in or out 2 Tap to take a photo You can also press the Volume Down or Volume Up key to take a photo You can take a pho...

Page 69: ...ap Settings Extensions Shortcuts and then tap Open Camera to activate it Customising the camera options You can customise a variety of camera options to suit your preferences Tap on the screen Available options vary depending on the selected camera front or rear camera and the selected camera mode Photo size Select values for aspect ratio and size for taking photos HDR Obtain photos in vivid colou...

Page 70: ...era Save as flipped Saves as flipped images when taking a selfie Selfie shot Take a selfie by selecting its option between Gesture shot and Auto shot You can apply the make up effect when taking a selfie using the front camera Gesture shot is taken by recognizing the shape of a hand and Auto shot is taken by recognizing a face Mode Selection You can conveniently select from the modes displayed on ...

Page 71: ...odes Recording a video 1 Tap and select Video by swiping camera modes 2 Tap to record a video Select zoom Recording a video Switch to front facing rear facing camera Preview Set flash setting Apply filter effect Set camera Set video resolution ...

Page 72: ...hoto Tap and select Photo by swiping camera modes See Taking a photo for more details Taking a photo with the AI feature When taking a photo the AI feature recognises a subject and applies the optimum effect to the photo Tap to deactivate the AI feature Using additional camera modes Tap and select More by swiping camera modes Macro You can take a close up of a subject 1 Tap then tap More 2 Tap to ...

Page 73: ...yed at the bottom of the screen All taken photos are saved as GIF files only You may not change the GIF speed nor image order YouTube Live You can record a video and directly upload to YouTube To use this feature you must meet the eligibility requirements Contact YouTube for the requirements 1 On the home screen tap 2 Select More by swiping camera modes then tap YouTube Live is available only when...

Page 74: ...posters restaurant menus animals flowers or barcodes directly in the device Auto Exposure Auto Focus lock You can fix the current exposure level and focus position by touching and holding the screen in the Auto mode To turn off the feature tap a blank area on the screen Auto Exposure Auto Focus lock This feature is available only in specific modes ...

Page 75: ...ras swipe the screen up or down on the shooting screen in the Camera app Use the front camera to take selfies See Selfie shot for details Zoom in or out You may spread or pinch two fingers to zoom in or out when you take photos or videos Zoom in out function is not available in the selfie mode front camera This function is not supported in a number of modes ...

Page 76: ...lfies by using gestures Show your palm to the front camera and then clench your fist You can also clench your fist and then open it towards the front camera In three seconds a photo is taken To use this feature switch to the front camera mode then tap Selfie shot Gesture shot Make sure that your palm and fist are within the reference line so that the camera can detect them This feature may not be ...

Page 77: ...rval shot You can take selfies at an interval While using the front camera you can show your palm to the camera then clench your fist twice quickly Four photos are taken at regular intervals after a timer delay of three seconds Save as flipped Before taking a photo with the front camera tap Save as flipped The image is flipped horizontally When using the front camera you can change how selfies are...

Page 78: ... select a desired folder 2 Tap a desired photo The Gallery folder contains Photos Albums and Play Access additional options Start Google Lens Back to the previous screen Delete images Share images Add to or remove from your favourites Edit images Preview gallery Details menu appears when the screen is lightly touched Touching the screen once again makes the menu disappear ...

Page 79: ...Share images Add to or remove from your favourites Edit images Preview gallery To adjust the sound volume drag the right side of the video screen up or down To adjust the screen brightness drag the left side of the screen up or down Dragging the screen to the left on the video play screen allows you to rewind REW and dragging to the right allows you to fast forward FF ...

Page 80: ... the method you want If you take photos or videos after you tap Tag locations the location specific memories album is automatically created after a certain time under the Memories tab of Gallery Some file formats may not be supported depending on the installed software Some files may not be opened due to encoding Files that exceed the size limit may cause an error You need to activate the GPS feat...

Page 81: ...ake a GIF file using recorded video Tap and select Create GIF Creating video 1 At the desired starting point while watching a video tap 2 Select the length of the GIF you want to create GIF is generated for the time selected from the specified starting point For videos that are less than 5 seconds GIF images are automatically generated for the remaining time ...

Page 82: ...erson by using the creating GIF photographs function may lead to a civil or criminal liability in accordance with the related laws Be cautious not to copy or transmit another person s work without authorization LG Electronics is not liable in any way for such acts by users You can select up to 100 photographs to produce when you create a GIF Contacts Contacts overview You can save and manage conta...

Page 83: ... Select a contact While adding a new contact tap to add a speed dial number Searching for contacts You can search for contacts by using one of the following options Tap the search bar at the top of the Contacts screen and enter the desired contact or phone number you want to search for Scroll the contact list up or down From the index of the contact list screen tap the initial letter of a contact ...

Page 84: ...e contact list screen touch and hold a contact you want to delete then tap Tap Delete on the contact list screen Deleted contacts may not be restored Adding favourites You can register frequently used contacts as favourites 1 On the contact list screen select a contact 2 On the contact detail screen tap Creating groups 1 On the contacts group list tap 2 Enter a new group name 3 Tap Add members sel...

Page 85: ...ate a note Save a note Undo the previous edit Redo the recently deleted edits Enter a note by using the keypad Save your favorite pen types Write notes by hand Erase handwritten notes Access additional options 3 Tap to save the note Writing notes on a screenshot 1 While viewing the screen you want to capture drag the status bar downwards and then tap The screen is captured and displayed as a thumb...

Page 86: ...e the captured screen shot Tap to write notes on the captured screen Tap to share the captured screen shot You can capture the entire screen by using the scroll capture feature While using an app such as Messaging and Chrome drag the notifications panel downwards and then tap Then tap to capture the entire screen you are currently viewing as a single file This feature is available only on some app...

Page 87: ...arm World clock You can view the current time in cities around the world 1 On the home screen tap Essentials Clock World clock 2 Tap and add a city Timer You can set the timer to trigger an alarm after a specified period of time 1 On the home screen tap Essentials Clock Timer 2 Set the time and tap Start To suspend the timer tap Pause To resume the timer tap Resume 3 Tap Stop to stop the timer ala...

Page 88: ...Calculator You can use two types of calculators the simple calculator and the scientific calculator 1 On the home screen tap Essentials Calculator 2 Use the keypad to make a calculation If you want to calculate from the beginning tap and hold Music You can play and manage songs or music albums 1 On the home screen tap Essentials Music 2 Select a category 3 Select a music file ...

Page 89: ...not be supported depending on the installed software Files that exceed the size limit may cause an error Music files may be protected by international copyright owners or copyright laws You may have to obtain legal permission before copying a music file To download or copy a music file first check the copyright law for the relevant country This model supports Hi Fi audio playback Hi Fi audio files...

Page 90: ... can be played back or shared 1 On the home screen tap Essentials Audio Recorder 2 Tap To pause recording tap 3 Tap to end the recording The file is saved automatically and the recorded files screen appears 4 Tap to play the recorded voice Tap to view the recorded files You can play a recorded voice file from the list Game Launcher You can set whether to use the game launcher where you can view th...

Page 91: ...the Google Play Store 2 Follow the on screen instructions to select a desired method for transfer Data in a Google Account will not be backed up When you synchronise your Google Account Google apps Google contacts Google Calendar Google memo app data and apps downloaded from the Play Store are stored on the Drive app automatically Fully charge the battery before transferring data to avoid unintent...

Page 92: ...ervice associate s instructions to enter a six digit access number Your device is remotely connected and the remote support service starts Cell Broadcast You can view real time text broadcasts on emergency situations such as typhoons floods and earthquakes On the home screen tap Services Cell Broadcast Google apps You can use Google apps by setting a Google Account The Google Account registration ...

Page 93: ...te on work projects from anywhere instantly Gmail Gmail is an easy to use mail app that keeps your messages safe makes your inbox smarter and helps you stay organised Google The Google app keeps you in the know about the things you care about Find quick answers explore your interests and get a feed of stories and updates on topics that matter to you Maps Going somewhere Go with Maps the app you ca...

Page 94: ...tool that powers productivity Use Slides to organise information present results and make decisions together in real time YouTube Watch your favourite channels listen to music you love and upload videos to share with people around the world Assistant Your device has the Google Assistant built in Find answers and get things done while on the go To get started just tap the Google Assistant key on th...

Page 95: ...Settings 04 ...

Page 96: ...Fi 2 Tap to activate it Available Wi Fi networks appear automatically 3 Select a network You may need to enter the network s Wi Fi password The device skips this process for previously accessed Wi Fi networks If you do not want to automatically connect to a certain Wi Fi network tap the network and then tap Forget Wi Fi network settings On the settings screen tap Network internet Wi Fi Switch to m...

Page 97: ...omatically appear 2 Select a device Connection occurs when the device accepts the connection request The battery may drain faster when using Wi Fi Direct Mobile data You can turn mobile data on and off You can also manage mobile data usage Turning on mobile data 1 On the settings screen tap Network internet Mobile data 2 Tap to activate it Customising mobile data settings 1 On the settings screen ...

Page 98: ...er device via USB and share mobile data 1 Connect your device and other devices via USB cable 2 On the settings screen tap Network internet Tethering USB tethering and then tap to activate it This option uses mobile data and may incur data usage fees depending on your pricing plan Consult with your service provider for more information When connecting to a computer download the USB driver from www...

Page 99: ...uses mobile data and may incur data usage fees depending on your pricing plan Consult with your service provider for more information More information is available at this web site http www android com tether wifi Wi Fi hotspot turn off timer When the Wi Fi hotspot has not been used for a specific period of time it is automatically disconnected You can set the time for automatic disconnection Blue...

Page 100: ... not involve data such as games and music playback remain available 1 On the settings screen tap Network internet Airplane mode 2 Tap to activate it Mobile networks You can customise the mobile networks settings 1 On the settings screen tap Network internet Mobile networks 2 Customise the following settings Data roaming Browse the web use emails multimedia messages and other data services overseas...

Page 101: ...tion screen appears Tap Change from the notification screen to activate the screen lock See Setting a screen lock for details 3 Enter VPN details and tap Save Configuring VPN settings 1 Tap a VPN from the VPNS list 2 Enter the VPN user account details and tap Connect To save the account details select the Save account information checkbox Private DNS You can configure the Private DNS Domain Name S...

Page 102: ...activate it Available devices appear automatically To refresh the device list tap Only devices set as visible are displayed on the list 3 Select a device from the list 4 Follow the on screen instructions to perform authentication This step is skipped for previously accessed devices Sending data via Bluetooth 1 Select a file You can send multimedia files or contacts 2 Tap Bluetooth 3 Select a targe...

Page 103: ...arby devices Also you can share the content with specific people in apps that work with Google Direct Share 1 On the settings screen tap Connected devices Sharing panel 2 Tap to deactivate each option Nearby devices You can display the nearby devices to which you can share contents on the Gallery Music and File Manager apps Direct share From an app which supports Google Direct Share you can displa...

Page 104: ...o Or tap Add printer to manually add a printer Tap Add service to download the printer app you want This is available only when the mobile network or the Bluetooth function is turned on To down the printer app in Add service first log on to your Google account Sound You can customise sound vibrate and notification settings On the settings screen tap Sound and customise the following settings Sound...

Page 105: ...laying a song or video Volume Adjust the sound volume for various items Normalize volume Use the function to normalise the volumes of different sound sources Equalizer Use the function to adjust the equaliser settings LG 3D Sound Engine Use the function to play music or video in three dimensional immersive and vivid sound when earphones speaker or other external audio devices are connected See LG ...

Page 106: ... For details see Using Navigation bar Status bar Set the colour of the status bar on the top of the screen or set the notification icon display and battery percentage display Comfort view Set the device to reduce amount of blue light on screen to reduce eye strain Night mode You can apply a dimmed screen theme to avoid glare on the screen at night time Accent colour Change the point colour for set...

Page 107: ...ently use the device with one hand Drag the Home touch button at the bottom of the screen to the left or right Wallpaper theme You can select wallpaper screen theme or icon style for your device 1 On the settings screen tap Wallpaper theme 2 Tap Wallpaper or Theme or Icon to customise the settings Lock screen security You can customise lock screen and security settings 1 On the settings screen tap...

Page 108: ...n for details Credential protection View the type of the storage where the security certificate will be saved Trusted credentials View your system s root CA certificates and user installed CA certificates User credentials View and change secure certificate information stored on your device Install from storage Install a secure certificate from a storage Clear credentials Delete user installed secu...

Page 109: ...assword address or credit card number with a single tap You can also disable this option use the Google Autocomplete feature or add a new service account Google Location History Allows you to enable or disable Location History When enabled Google periodically stores and uses your phone s most recent location data in connection with your Google Account From the Location History screen tap to view a...

Page 110: ... game tools graphics and battery saving feature 1 On the settings screen tap Extensions Gaming 2 Customise the following settings Game Launcher Tap to use the game launcher Game tools You can run the function while playing games by touching the game tools icon among the home touch buttons Game graphics Adjust the game graphics When you change the resolutions on some games the screen display featur...

Page 111: ... use buttons such as the Lock Power Volume and Google Assistant to run certain apps or functions right away 1 On the settings screen tap Extensions Shortcuts 2 Customise the following settings Open Camera Press Power key twice to open Camera Open Screen off memo Press Volume Up key twice to open Screen off memo when the screen is locked or off Open Camera Press Volume Down key twice to open Camera...

Page 112: ... settings Battery usage View the battery usage details Adaptive battery Allow you to save the battery by stopping apps running in the background Background restrictions Enable this option to restrict background apps to save the battery while using the device Restricted apps for power saving may not work properly or may not send you notifications Battery saver Reduce battery consumption by cutting ...

Page 113: ...storage space and free space in the memory card This option appears only when a memory card is inserted To unmount the memory card tap Accounts You can add users to share your device and register a cloud account 1 On the settings screen tap Accounts 2 Customise the settings Digital Wellbeing parental controls You can view the product use time and set the timer for each app Also you can manage the ...

Page 114: ...ware update is available If available you can install the update Language keyboard You can customise language and keyboard settings for your device 1 On the settings screen tap System Language keyboard 2 Customise the following settings Language Select a language to apply for the device Manage keyboards You can change the product s basic keyboard setting set the use environments for LG Keyboard or...

Page 115: ...e or trackpad Reverse mouse buttons Reverse the right mouse button to perform primary direct manipulation actions Date time You can customise date and time settings for your device 1 On the settings screen tap System Date time 2 Customise the settings Memory You can view the average amount of memory usage over a certain period of time and the memory occupied by an app 1 On the settings screen tap ...

Page 116: ...te this feature The device automatically restarts at a set time and optimise itself Select a date and time for restart You can set the device to restart itself once a week The device automatically restarts in an hour from the preset time Once the device restarts notifications and badges are erased Save important data before the preset time The Auto restart feature is not activated in the following...

Page 117: ...safety You can view regulatory marks and related information on your device On the settings screen tap System Regulatory safety Accessibility You can manage accessibility plug ins installed on your device 1 On the settings screen tap Accessibility 2 Customise the following settings Vision TalkBack Set the device to notify screen status or actions via voice Vision Voice notifications Set the device...

Page 118: ...ring Flash alerts Set the device to notify you with a blinking light for incoming calls messages and alarms Hearing Mute all sounds Mute all sounds and lower volume on the receiver Hearing Audio channel Select the audio type Hearing Sound balance Adjust the audio output balance Use the slide bar to change the balance Motor cognition Touch assistant Turn on the touch board to make buttons and gestu...

Page 119: ...rtion of the screen can be controlled by touch input Accessibility features shortcut Quickly access a frequently used function by pressing the Power key and the Volume Up key simultaneously Auto rotate screen Automatically change the screen orientation according to the physical position of the device Select to Speak Allow you to tap items to hear spoken feedback Switch Access Create key combinatio...

Page 120: ...Appendix 05 ...

Page 121: ...can back up contacts photos and more to the computer or update the device software See LG Bridge help for details The supported features may vary depending on the device LG USB driver is a necessary program to connect your LG smartphone with the computer and is installed when you install LG Bridge LG Bridge functions Back up data from the device to a computer or restore data from a computer to the...

Page 122: ...ou to conveniently update the firmware on your phone to a newer version from the Internet without needing to visit a service centre This feature will only be available if and when LG makes a newer firmware version available for your device Because the mobile phone firmware update requires the user s full attention for the duration of the update process please make sure you check all instructions a...

Page 123: ...ngs System Update centre Software Update Check now for update Your personal data from internal phone storage including information about your Google Account and any other accounts your system application data and settings any downloaded applications and your DRM licence might be lost in the process of updating your phone s software Therefore LG recommends that you backup your personal data before ...

Page 124: ... screen is unlocked Add your Google Account on your device If your device is wiped but you have your Google Account on it the device can t finish the setup process until your Google Account information is entered again After your device is protected you ll need to either unlock your screen or enter your Google Account password if you need to do a factory reset This ensures that you or someone you ...

Page 125: ...ilable for download LG Electronics will also provide open source code to you on CD ROM for a charge covering the cost of performing such distribution such as the cost of media shipping and handling upon email request to opensource lge com This offer is valid for a period of three years after our last shipment of this product This offer is valid to anyone in receipt of this information Regulatory i...

Page 126: ...Duo Google Play Android Chrome Google Photos Google Play Protect Google Calendar Google Docs Google Drive Google Sheets and other related marks and logos are trademarks of Google LLC Bluetooth is a registered trademark of Bluetooth SIG Inc worldwide Wi Fi and the Wi Fi logo are registered trademarks of the Wi Fi Alliance All other trademarks and copyrights are the property of their respective owne...

Page 127: ...the performance of procedures other than those specified herein may result in hazardous radiation exposure To prevent direct exposure to laser beam do not try to open the enclosure or make direct contact with the laser DECLARATION OF CONFORMITY Hereby LG Electronics declares that this LM K420YM product is in compliance with the essential requirements and other relevant provisions of Directive 2014...

Page 128: ...mmediately and contact an LG Customer Service Centre You can purchase protective cases to protect your device from damage on the market Note that these protective cases are not covered under the warranty service provided by LG Electronics and safety is not guaranteed Aspect ratio This device uses 20 5 9 aspect ratio Some downloaded apps may not support 20 5 9 aspect ratio In this case select the m...

Page 129: ... calendar voice recordings Memos X Alarms X X Media data Photos videos songs documents Screen settings Home screen settings folders and widgets X X Lock screen settings screen lock settings excluded X X Apps Downloaded apps Personal data of the downloaded app X Others Public certificate X Settings Wi Fi Bluetooth Calls sound notification accessibility battery X X Some data may not be transmitted d...

Page 130: ...ou have not set call barring for the number you are dialling Device cannot be turned on When the battery is completely discharged your device will not turn on Fully charge the battery before turning on the device Charging error Make sure device is charging at a normal temperature Check the charger and its connection to the device Use only in box accessories which are authorised by LG The battery d...

Page 131: ...If you take photos in dark areas at night or indoors image noise may occur or images may be out of focus If you have any problems reset the options The touch screen responds slowly or incorrectly If you attach a screen protector or optional accessories to the touch screen the touch screen may not function properly If you are wearing gloves if your hands are not clean while touching the touch scree...

Page 132: ... screen tap System Restart reset Factory data reset This method resets all settings for the device and deletes data Before performing the factory data reset remember to make back up copies of all important data stored in the device If you registered a Google Account to the device you must sign in to the same Google Account after resetting the device Bluetooth device is not located Make sure the Bl...

Page 133: ...ice to a computer Make sure the USB cable you are using is compatible with your device Make sure you have the proper driver installed and updated on your computer Downloaded application causes a lot of errors Application has problems Remove and reinstall the application ...

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