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Notes on Usage

・ In this manual, "Galaxy A51 5G" is 

usually referred to as the "product".

・ In this manual, "microSD™ memory card 

(commercial item)", "microSDHC™ 

memory card (commercial item)" or 

"microSDXC™ memory card 

(commercial item)" is called "microSD 

memory card" for short.

・ All of the indicated amounts exclude 

tax unless otherwise specified.

・ Company names and product names 

referred to in this manual are trade-

marks or registered trademarks of 

respective companies. The TM and ® 

marks may be omitted in this manual.

Cell phone and PHS operators collect and recycle unused 
telephones, batteries and battery chargers at stores bearing 
the       logo regardless of brand and manufacturer to 
protect the environment and reuse valuable resources.

November 2020, 1st Edition

Sold by: 

KDDI CORPORATION,

OKINAWA CELLULAR TELEPHONE COMPANY

Imported by: SAMSUNG ELECTRONICS JAPAN Co., Ltd.
Manufactured by: Samsung Electronics Co., Ltd.

For general information 

(toll free)

Business hours 9:00−20:00 (7 days a week)

For theft, loss, damage 

(toll free)

Repair and Delivery Support Center

For theft, loss, damage 

(toll free)

From non-au cell phones / 

general subscriber phones:

From au cell phones:

without area code

For inquiries, call:

Customer Center

In case above numbers are not available, 
call toll-free:

From non-au cell phones / 

general subscriber phones:

From au cell phones:

without area code

In case above numbers are not available, 
call toll-free:

From au cell phones / non-au cell phones / 

general subscriber phones:

Business hours 9:00−20:00 (7 days a week)

Business hours 24 hours (7 days a week)

SCG07

Summary of Contents for SCG07

Page 1: ...ry card commercial item or microSDXC memory card commercial item is called microSD memory card for short All of the indicated amounts exclude tax unless otherwise specified Company names and product names referred to in this manual are trade marks or registered trademarks of respective companies The TM and marks may be omitted in this manual SCG07 ...

Page 2: ...33 Notes on using Bluetooth Wireless LAN Wi Fi Functions 39 Available Security Codes PIN Code 43 Notes on Data Communication Charge 45 Notes on Applications 45 Configuring the App s Permissions 46 Take Your Manners with You as Well 47 Appendix 49 Updating Software 49 After Sales Service 50 FCC RF Exposure Information 53 Export Administration Regulations 53 Intellectual Property Rights 54 ...

Page 3: ...does not reach e g tunnels and basements Also communication is sometimes not possible in poor reception areas Communication is sometimes interrupted if you move into a poor reception areas during communications Since the product uses radio waves the possibility of communication intercepts by third parties cannot be eliminated Though 5G LTE WiMAX 2 GSM UMTS system has highly secure confidential com...

Page 4: ...ple from malfunction caused by combination with connected devices or software not related to the Company Captured image data or downloaded data may sometimes be altered or lost due to faults repair or other handling of the product The Company is not liable for any damage or lost income resulting from recovery of these data It is recommended you save the important data on your PC s hard disk etc Wh...

Page 5: ... optional accessories when it is no longer needed to protect the environment and effectively use resources Old product are collected at au shop au Style and other places The Company as appears in this manual refers to the following companies Sold by KDDI CORPORATION OKINAWA CELLULAR TELEPHONE COMPANY Imported by SAMSUNG ELECTRONICS JAPAN Co Ltd Manufactured by Samsung Electronics Co Ltd Reproducti...

Page 6: ...or serious injury 1 may directly result from improper use Warning This sign denotes that death or serious injury 1 may result from improper use Caution This sign denotes that minor injury 2 or property damage 3 to property may result from improper use 1 Serious injury Loss of sight injuries burns high low temperature electric shocks bone fracture poisoning etc with subsequent complications and or ...

Page 7: ...h wet hands is not allowed Do Indicates an action that must be obeyed at all times Unplug Indicates that the power plug must be disconnected from the outlet Precautions common to the product main unit internal battery charging equipment au IC card peripheral devices Danger Don t Do not use store or leave the equipment in a place subject to high temperature or in places where heat builds up such as...

Page 8: ...lso do not charge the product in a place exposed to water such as bathroom May cause fire burns injuries electric shocks etc For waterproofness refer to the following uP 33 Precautions for Waterproofness Dustproofness Don t Do not subject the product to strong pressure or break the product Especially when bringing the product putting in a pocket of clothes do not let the product hit against surrou...

Page 9: ...to the following uP 33 Precautions for Waterproofness Dustproofness No liquids Do not put liquids drinking water sweat seawater pet urine etc into the headset connection terminal the charging jack or the external connection terminal May cause fire burns injuries or electric shocks etc For waterproofness refer to the following uP 33 Precautions for Waterproofness Dustproofness Do Use the optional e...

Page 10: ...s being generated or where there is a possibility of dust being generated Ignition to flammable gas etc may cause explosion or fire etc Do When using in some facilities such as gas station follow the instructions from each facility Do not charge in gas station etc When using the product in a gas station etc be careful not to drop it especially do not use it during refueling Ignition to flammable g...

Page 11: ...oofness dustproofness refer to the following uP 33 Precautions for Waterproofness Dustproofness Don t Children using the equipment should be instructed in proper operation by an adult Make sure they use the product correctly May be accidentally swallowed or cause injuries electric shocks etc Don t Do not store the equipment reach of babies and infants Please pay particular attention to the storage...

Page 12: ... Directly touching a hot part continuously you may have redness itching or rash on your skin or it may result in low temperature burns etc depending on your constitution and or health condition Main unit Danger Don t Do not put the product in a fire or attempt to heat it May cause fire burns or injuries etc Don t Do not puncture with a sharp object nail etc strike with a hard object hammer etc sto...

Page 13: ...c or foreign objects such as metal fragments and flammable materials into au IC card microSD memory card slot Please do not mistake the insertion location and direction of the au IC card or microSD memory card May cause fire burns injuries or electric shocks etc Don t Do not expose the camera lens to direct sunlight etc for a long time The light gathering capabilities of the lens may cause fire bu...

Page 14: ... call loud noise sounds from the product Even in the standby mode ringtone and vibrator may work suddenly Using continuously for a long time with too loud volume may cause a hearing loss etc And if you cannot hear the sound around you clearly it may cause an accident Do If you have weak heart be careful when setting the vibrate ringtone vibration or ringtone volume setting Surprised by sudden vibr...

Page 15: ...dio wave on the equipment Do When the display or camera lens is accidentally broken be careful of broken parts or exposed internal parts of the product Touching broken or exposed part may cause burns injuries electric shocks etc Do Should the internal battery leak or emit a strange odor stop using the product immediately and move it away from fire The leaked fluid may catch fire and may cause igni...

Page 16: ...alities Don t If the internal battery leaks out do not make the substance contact with your skin of face or hands clothes etc May cause eyes or skin problems etc If the substance gets into your eyes or mouth etc or comes into contact with your skin or clothes rinse with clean water immediately And if it gets into your eyes or mouth etc rinse with clean water and seek medical care immediately Don t...

Page 17: ...fully bright place Watching the display in the dark or watching too close may cause diminished eyesight etc Charging equipment Warning Don t Do not use the specified charging equipment sold separately code if it gets damaged May cause fire burns or electric shocks etc Don t If you hear thunder do not touch the specified charging equipment sold separately May cause electric shocks etc Don t Do not ...

Page 18: ...c No wet hands Do not touch the code of the specified charging equipment sold separately USB cable charging jack or power plug with wet hands May cause fire burns or electric shocks etc Do Only use with the specified power source and voltage When charging the product overseas use the specified charging equipment sold separately for global use If incorrect power source and voltage is used this may ...

Page 19: ... forcibly pull on the cord etc and straightly unplug and plug into the connecting terminals If not properly unplugged or plugged in this may cause fire burns injuries electric shocks etc Do Immediately discontinue use if the charging jack is bent or deformed Do not try to straighten and re use a deformed charging jack The short of the charging jack may result in fire burns injuries electric shocks...

Page 20: ...re burns or electric shocks Caution Don t Do not touch a specified charging equipment sold separately continuously that has been connected to the outlet May cause burns etc au IC card Caution Do Be careful not to injure yourself finger etc with the cut section when handling au IC card The cut surface may be sharp and it may cause injuries etc ...

Page 21: ...ith the device manufacturer to determine how the device is affected by electrical signals The product s signals may affect the operation of the electronic medical equipment Do When you can not move freely etc and you have difficulties to keep a distance of 15 cm or more from others turn the airplane mode on or power off the product not to transmit signals There may be wearers of medical equipment ...

Page 22: ... hearing loss Also raising the volume too high might prevent you from hearing sounds around you which might in turn lead to a traffic accident at a railroad crossing or pedestrian crossing Do When adjusting the volume raise the volume a little at a time If you raise the volume too much from the outset sudden loud noise from the earphone etc might adversely affect your ears Do If you develop skin p...

Page 23: ...g on your physical constitution and condition For parts materials uP 22 Material List Do Store the SIM card removal tool sample in a place where babies and infants cannot reach If it is accidentally swallowed it might result in suffocation or injuries etc Clear case sample Caution Don t Do not get your fingers caught when attaching the Clear case sample May cause injuries etc Do If you develop ski...

Page 24: ...D memory card tray rubber gaskets Rubber silicon Rear cover PC PMMA UV coating Side key Volume key PC polycarbonate UV coating Receiver PET Sheet Rear camera surrounding area PC polycarbonate Rear camera lens panel Glass AR AF coating USB Type CTM connection terminal Corson alloy Gold plating USB Type C connection terminal surrounding area Al6013 Anodizing Headset connection terminal Cu Ti Nickel ...

Page 25: ...al Surface treatment Plug metal part CU NI Plug outer covering TPE Cable TPE Switch ABS Earphone speaker part ABS SIM card removal tool sample Part Material Surface treatment Unit SUS304 Barrel polishing Clear case sample Part Material Surface treatment Unit TPU ...

Page 26: ...on are not covered by the warranty even if there is no external damage To ensure waterproof property equivalent to IPX5 and IPX8 of the product make sure to attach the au IC card microSD memory card tray securely when using the product au does not guarantee actual operations under all states Do not allow water to enter the product interior or splash water on the charging equipment accessories Do n...

Page 27: ...erase the printing on the outer casing or cause discoloration Use as far away as possible from land line phone TV radio etc may cause affect the product The product may become warm while charging etc depending on the situations but this is not abnormal Do not place near corrosive chemicals or in places where corrosive gas is generated Doing so may cause a fault Do not use outside when you can hear...

Page 28: ... the connector is correct Unless it is correct it may cause fault Do not expose the camera lens to direct sunlight for a long time Doing so might cause fault Do not use store or leave the product in places subject to direct sunlight e g in automobiles places that get hot places that get extremely cold and in humid or dusty places Doing so might cause fault Do not leave on unstable places such as r...

Page 29: ...a foreign object placed on the display Operation with a protective sheet or sticker on the display Operation with water drops or dew condensation attached on the display Operation with wet or sweaty fingers Operation underwater Never use modified product Use of a modified device violates the Radio Law and the Telecommunications Business Act The product is compliant with rules on the technical stan...

Page 30: ...ty might cause corrosion or a fault While writing reading data to from a microSD memory card do not subject the product to vibration or impact or turn off the power Doing so might cause loss of data or a fault Do not cover the light sensor with your finger or put a sticker on it Doing so may hinder it from detecting the ambient brightness and functioning correctly Do not put a sticker etc on the l...

Page 31: ... operation of the touch panel Organic EL OLED display Although lightning intensity of OLED can be decreased partly and displayed color can be changed when the same image has been displayed for a long time the brightness set to bright more than necessary or using extremely for a long time It is not abnormal because that is the characteristic of OLED Although the OLED used on the product is made usi...

Page 32: ...sable time after each charge has become extremely short stop using the battery as it is at the end of its service life As the battery is built in you can have it replaced at an au shop au Style for a fee Note that you will not be able to use the product for a certain period of time The battery lifespan varies depending on how the product is used Depending on the use condition the internal battery ...

Page 33: ...nd the product It may lower its sensitivity and the sound may cut off or noise may be generated Do not pull the code to unplug Do not hang the product with the code either It may damage the code connection plug and the headset connection terminal of the product Be aware not to gather dust on the connection plug Doing so may cause a fault Attach or remove the connection plug horizontally to or from...

Page 34: ...n for private use In addition do not use or modify portraits or names of other individuals without their consent as it might infringe on rights of portrait Note that shooting and recording may be restricted at some live performances shows and exhibitions even for purpose of private use Be careful about the copyright and portrait right when posting images you shot etc on the Internet homepages Back...

Page 35: ...bmerged to depth of 1 5 m in static tap water at room temperature left there for 30 minutes and then taken out 3 IP6X equivalent means that dust does not enter the interior of a phone after it is placed in a device containing dust with diameter of 75 μm or less for 8 hours agitated and then taken out au does not guarantee actual operations under all states Malfunctions deemed to be caused by inapp...

Page 36: ...re to or immerse the product for a prolonged period Do not wash the product using a washing machine or ultrasound cleaner Do not immerse the product in a bathtub The product is not heat resistant Abrupt temperature changes may cause condensation to form and may result in malfunctions Wait for the product to reach normal temperature when taking it into a warm bathroom etc from cold areas The produc...

Page 37: ...th your hands holding the au IC card microSD memory card tray so that it does not open Do not use a brush or sponge If the product gets wet After the product gets wet drain water and wipe the product with a clean dry cloth Water droplets adhered on the product may freeze in cold regions Continued use of the product in such condition may cause malfunctions Do not leave any water droplets on the pro...

Page 38: ...t Do not poke the receiver mouthpiece microphones upper lower speaker etc with a sharp object Doing so may damage deform the product and may allow water to enter the interior of the product Charging Accessories and optional devices are not waterproof Check the following before and after charging Never try to charge the product when the product is wet Doing so may cause fire burns injuries electric...

Page 39: ...t or make it harder to hear the sound Follow the steps below to drain water a Hold the product firmly and wipe off moisture on the product surface and back side with dry clean cloth etc b Shake the product approximately 20 times firmly holding it until there is no more water splattering c Swing the product about 20 times against a dry clean cloth etc to wipe off water remaining in the tray eject h...

Page 40: ...Wipe off water drained from the product with dry clean cloth etc and dry naturally Water if any remaining in the product may ooze up after wiping off Do not wipe off water remaining in gaps directly with a cotton swab etc ...

Page 41: ...om other devices Do not use the product in places where electromagnetic waves are generated or near electric products AV and OA equipment or other magnetized devices Subjecting the product to magnetic or electrical noise might increase noise and prevent it from performing communications The product is particularly susceptible to noise when it used near a microwave oven Using the product near a TV ...

Page 42: ... device stop the emission of radio waves 3 If you are unclear on any points or are troubled by anything contact an au shop au Style or Customer Center The connections between the product and all other Bluetooth and wireless LAN Wi Fi devices have not been confirmed Therefore connections with all Bluetooth and wireless LAN Wi Fi devices are not guaranteed The product supports security features for ...

Page 43: ...i Fi functions of the product use frequencies in the 2 4 GHz band XX8 Bluetooth function 2 4FH1 XX8 The product uses the 2 4 GHz band For FH1 FH SS is used as the modulation scheme The interference distance is about 10 m or less XX8 uses other schemes and interference distance is about 80 m or less Wireless LAN Wi Fi function 2 4DS OF4 The product uses the 2 4 GHz band DS SS and OFDM are used as t...

Page 44: ...Hz band wireless LAN outdoors is prohibited by Law except when communicating with access point of 5 2 GHz high output data communication system or relay station The channels used on the product are as follows W52 5 2 GHz band 36 40 44 48 ch W53 5 3 GHz band 52 56 60 64 ch W56 5 6 GHz band 100 104 108 112 116 120 124 128 132 136 140 144 ch ...

Page 45: ...s they are necessary for various operations and contracts Make sure to change the initial value to your own unique number Security code Example of usage To do remote operation of Voice mail and Call forwarding services from a land line phone To use Customer Center and to do various inquiries applications and modifications on the au homepage Initial value A four digit number chosen by the customer ...

Page 46: ...ase You can change PIN code to any four to eight digit number and set the PIN code entry to be required as necessary If you require a PIN code to be entered make sure to change the number to your own unique number PUK code In case the PIN code is locked you can unlock it by entering the PUK code PUK code is an eight digit number given at the time of purchase which is printed on the back side of th...

Page 47: ...e various data and send out your location information usage history or personal information stored in your cell phone via the Internet The Company assumes no responsibility for any problems that might be caused by the applications you have installed In such case you may be charged a repair fee even during the warranty period The Company assumes no responsibility for any disadvantage brought to you...

Page 48: ... If you do not select Allow you may be unable to activate the app function or the function may be restricted To change the permission setting on the home screen flick up or flick down Settings Apps tap the application whose permission setting you wish to change Permissions tap the permission you wish to change follow the onscreen instructions A screen explaining the permission may be displayed for...

Page 49: ...riving a car or motorbike is prohibited by law Use of a cell phone while riding a bicycle may be punishable by some regulations Traffic accidents may be caused due to ambient sounds being hard to hear or due to you being distracted by the screen display Especially be careful at the railroad crossing station platform or pedestrian crossing As there are usage restrictions in an airplane follow the i...

Page 50: ...isturb others while you are in shinkansen a hotel lobby etc Be careful not to be loud while talking If you are in a place with people around you such as a train be aware of noise emanating from your headphones or earphones Ask permission if you take photos with your cell phone camera Please keep general morals when using camera functions There may be a person with a cardiac pacemaker nearby at a p...

Page 51: ...erminal can be used in optimum condition You are recommended to back up your data before updating software Be sure to fully charge the internal battery before use Updating software may fail if the battery level is low or becomes low while updating Check the radio wave condition Updating software may fail in poor reception areas If software update has failed or stopped update the software again If ...

Page 52: ...ay that you first buy the product Before handing in the product for repair make a backup of the contents of memory since they may disappear during repair Note that the Company shall not be liable for any damages and loss of income should the contents of memory be altered or lost Recycled parts that meet the Company s quality standards are sometimes used for repair Collected au device by Replacemen...

Page 53: ...that follows the precautions listed in the instruction manual au will repair the device for free 3 Repairs will not be free of charge in the following cases even during the warranty period Or repair may not be possible a If you did not follow the instruction manual and use the device correctly b If the device broke or was damaged by unauthorized repairs or modifications c If you had the device rep...

Page 54: ...s refer to au homepage https www au com mobile service kosho funshitsu Japanese You can apply for membership only at the time of purchasing your au device Once you cancel the membership you cannot reapply for it until you purchase an au device next time Note that when changing the model or purchasing an extra device this service only covers the most recently purchased au device When an au device i...

Page 55: ...Administration Regulations The product and its accessories may be subject to the Japan Export Administration Regulations Foreign Exchange and Foreign Trade Law and its related laws In addition U S Export Administration Regulations may apply to the product and its accessories To export and re export the product and its accessories take the required measures on your responsibility and at your expens...

Page 56: ... is a contactless IC card technology developed by Sony Corporation FeliCa is a registered trademark of Sony Corporation is a registered trademark of FeliCa Networks Inc Twitter and Twitter logo are trademarks of Twitter Inc and are used under license The Instagram name and logo are trademarks of Instagram Inc Facebook and Facebook logo are trademarks or registered of Facebook Inc Google Google log...

Page 57: ...e trademarks of Dolby Laboratories Amazon Amazon co jp and Amazon co jp logo are trademarks or registered of Amazon com Inc or its affiliates QR code is a registered trademark of the DENSO WAVE Incorporated TRENDMICRO VirusBuster are trademarks of Trend Micro Inc USB Type CTM is a trademark of the USB Implementers Forum Netflix is a trademark of Netflix Inc Qualcomm SnapdragonTM are trademarks of ...

Page 58: ... the personal and noncommercial use of a consumer to i encode video in compliance with the AVC standard henceforth referred to as AVC video and or ii decode AVC video that was encoded by a consumer engaged in a personal and noncommercial activity and or was obtained from a video provider licensed to provide AVC video No license is granted or shall be implied for any other use Additional informatio...

Page 59: ...on toll free Business hours 9 00 20 00 7 days a week For theft loss damage toll free Repair and Delivery Support Center For theft loss damage toll free From non au cell phones general subscriber phones From au cell phones without area code For inquiries call Customer Center In case above numbers are not available call toll free From non au cell phones general subscriber phones From au cell phones ...

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