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Disassembly and Assembly

106

Connect the 2 interconnect cables to the main board and charging port.

Be careful not to damage the near components.

Check carefully with your fingers to see if there are any screws or other foreign

substances inside the device (battery, PBA, cable, etc.).
Shake the device lightly with the back of the device facing down to remove any

remaining screws.

Содержание SM-S918B

Страница 1: ...www samsung com REPAIR GUIDE SM S918B SM S918B DS SM S918U SM S918U1 English Rev 1 0...

Страница 2: ...e Update Failure 8 Recovering on AnotherComputer 9 Performing a Factory Data Reset QualityTest 11 Quality Test Using the Samsung Members App 11 Device Diagnostics 12 Test Items Calibrations 25 Calibra...

Страница 3: ...ment 57 SIM Card Tray Remove 58 S Pen Remove 59 Button Remove 62 Back CoverRemove 72 Wireless Charging Module and Bottom SpeakerRemove 76 Charging Port Remove 79 Main Board Remove 84 Front Camera Remo...

Страница 4: ...herthan a Samsung certified carrierwill not be covered by the warranty Use only demagnetized tools that are specifically designed forsmall electronic repairs as most electronic parts are sensitive to...

Страница 5: ...reign objects around the battery During assembly check if there are any abnormalities before reattaching the back cover and be careful not to damage the battery by hitting ordenting it If the battery...

Страница 6: ...es 6 Instructional Icons Warning situations that could cause injury to yourself orothers Caution situations that could cause damage to yourdevice orotherequipment Notice notes usage tips oradditional...

Страница 7: ...te Failure If yourdevice becomes disconnected from a network before the update is complete the update may fail Reconnect to a network and complete the update Updating Software through Smart Switch You...

Страница 8: ...Smart Switch again on the computer 2 Click EmergencySoftware Recoveryand Reset The device list will appear 3 Click the device that experienced a software update errorand click Device reset OK The dev...

Страница 9: ...ed apps from the device Before performing the factory data reset rememberto make backup copies of all important data stored in the device Samsung is not responsible forthe loss of data stored in the d...

Страница 10: ...Software Update 10 3 Tap Reset Delete all All data will be deleted when rebooting During a factory data reset the device may repeat rebooting and the logo may be displayed fora long time...

Страница 11: ...rto receive furtherinstruction Any malfunctions caused byyour repairmay incuradditional repaircharges The Samsung Members app is subject to update without any priornotice To use this feature you must...

Страница 12: ...instructions depending on the test item Keep an eye on the screen during testing to ensure smooth progress If the exclamation mark appears on any test items afterfinishing the test tap them to find t...

Страница 13: ...rd tray and replace it If possible try again with anotherSIM card Powerrestart status Function Check yourdevice s restart history Provided information Status Viewwhetherthe feature is working normally...

Страница 14: ...View frequently asked questions Sensors Function Check whetherthe sensors are working normally Provided information Status Viewwhetherthe feature is working normally Sensortypes View the status of ea...

Страница 15: ...g normally How to check Press the buttons by following the directions on the screen Provided information Status Viewwhetherthe feature is working normally Button types View the status of each button M...

Страница 16: ...eakertypes View the status of each speaker FAQ View frequently asked questions Vibration Function Check whetherthe vibration feature is working normally Provided information Status Viewwhetherthe feat...

Страница 17: ...ras The picture that was taken will be displayed to check the quality of the pictures Provided information Status View the status whetherthe feature is working normally Camera types View the status of...

Страница 18: ...rding is finished tap Play and select a button according to the question Provided information Status Viewwhetherthe feature is working properly Mic types View the status of each mic FAQ View frequentl...

Страница 19: ...ts might be more accurate when you test outside Wi Fi Function Check whetherWi Fi can search for Wi Fi routers Provided information Status Viewwhetherthe feature is working normally Available networks...

Страница 20: ...w frequently asked questions To test this feature the Bluetooth feature must be activated Fingerprint recognition Purpose Check whetherthe fingerprint recognition sensoris working How to check Place y...

Страница 21: ...quently asked questions To test this feature yourface must be registered Wired headphones Purpose Check whetherthe headphone jack recognizes the headphones normally How to check 1 Connect headphones t...

Страница 22: ...will turn blue 2 Hoverthe S Pen overthe screen and move from A to B The blue circle will move along with the S Pen Provided information Status Viewwhetherthe feature is working normally S Pen features...

Страница 23: ...ally FAQ View frequently asked questions To test this feature the USB cable must be connected to a computer Cable charging Purpose Check whetherthe multipurpose jack recognizes the chargernormally How...

Страница 24: ...lly Charging speed View the charging speed according to the wireless chargeryou put your device on Use only Samsung approved wireless chargers Batterystatus Function Check the batteryvalues and analys...

Страница 25: ...to conduct the accurate calibrations afterrepair visit a Samsung Service Centerorwebsite to buy calibration equipment if you do not have any Used Parts and Calibration Functions in Supported Models Th...

Страница 26: ...ay camera calibration is only forthe Fold models Using the Self RepairAssistant App 1 Download the Self RepairAssistant app from GalaxyStore ForUS devices you need to install the APK file forthe Self...

Страница 27: ...s 27 3 Read Privacy Notice and tap Continue If you are not signed in to your Samsung account a button will appear to sign in If you select the link to read the full Privacy Notice you will be directed...

Страница 28: ...t the part that you have replaced and tap Next The required calibrations will be conducted automatically If the device does not have certain components orsensors associated with the part that has been...

Страница 29: ...ical Fingerprint Sensor Calibration Resetting the Battery Cycle Count Range SensorCalibration Touch Screen Panel Calibration Speaker Calibration Under display Camera Calibration Fold Models Only and D...

Страница 30: ...sults of each calibration item Completed Calibration was done normally Failed Calibration failed Skipped Calibration was skipped 8 On the calibration results page tap Close to close the app Restart yo...

Страница 31: ...cally checked in the Self RepairAssistant app so please follow the guidance of the Self RepairAssistant app Three rubbers the white calibration box the black calibration box and the 3D fingerprint dum...

Страница 32: ...st be prepared before you start 5 Put the white calibration box on the sensor area below the square side and push the rubberby applying force with yourfinger Tap Next and keep pushing the rubber with...

Страница 33: ...s shaped like a square should be located on the square guide line 7 Put the 3D fingerprint dummy rubberon the sensorarea below the square side and push the rubberby applying force with your finger Tap...

Страница 34: ...tion is successfully completed If Completed does not appear try calibrating again Resetting the BatteryCycle Count The battery cycle count should be reset wheneveryourdevice s battery is replaced 1 La...

Страница 35: ...Calibrations 35 3 Check part and calibration and tap Start 4 Tap Start 5 Read the on screen instructions and tap Scan to scan the QR code ortap Enter manually to enterthe serial number manually...

Страница 36: ...Calibrations 36 6 Scan the QR code orenterthe serial numberthat appears on the battery package The reset will begin 7 Check the calibration results...

Страница 37: ...devices equipped with them are optimized Range sensorcalibration is available through the Self RepairAssistant app Some content may differfrom yourdevice depending on the region service provider model...

Страница 38: ...reen instructions and tap Start 5 In a dark room orarea place the phone face down then press the Volume button 6 The calibration will perform automatically A tone will playwhen calibration is complete...

Страница 39: ...ate touch input Touch screen panel calibration is available through the Self RepairAssistant app In the Fold models touch screen panel calibration is performed forboth the main and coverscreens 1 Laun...

Страница 40: ...Calibrations 40 4 Read the on screen instructions and tap Start 5 The calibration will perform automatically and the screen will turn white during calibration 6 Check the calibration result...

Страница 41: ...alibrated to guarantee optimized speakerperformance fordevices that have it Speakercalibration is available through the Self RepairAssistant app 1 Launch the Self RepairAssistant app 2 Select the part...

Страница 42: ...Calibrations 42 4 Tap Start 5 The calibration will perform automatically 6 Check the calibration result...

Страница 43: ...display camera calibration is available through the Self RepairAssistant app This feature may not be available depending on the model The availability of this feature can be automatically checked in...

Страница 44: ...Calibrations 44 4 Tap Start 5 The calibration will perform automatically 6 Check the calibration result...

Страница 45: ...dware failure 1 Fold the device and launch the Self RepairAssistant app on the cover screen 2 Move to the digital hall sensorcalibration screen unfold the device and then press the Volume Up button or...

Страница 46: ...Calibrations 46 1 Launch the Self RepairAssistant app 2 Select the part that you have replaced and tap Next 3 Check part and calibration and tap Next 4 Tap Start...

Страница 47: ...Calibrations 47 5 The calibration will perform automatically 6 Check the calibration result...

Страница 48: ...w and Parts List 48 ExplodedViewand Parts List The 5G mmWave antenna modules are only supplied with United States devices The product s composition mayvary depending on the country region or carrier E...

Страница 49: ...QCA02 RearCamera Telephoto10x QCA01 RearCamera Telephoto 3x QAN01 Wireless Charging Module QCR255 Screw 3487 QCA04 Front Camera QIF01 Charging Port QME03 Button Flex Cable QME02 S Pen Flex Cable QBR01...

Страница 50: ...Exploded View and Parts List 50 Number Name QSM01 SIM Card Tray QME05 Main Flex Cable 2 Screen to PBA QME06 Main Flex Cable 3 Sub PBA to PBA QFR01 Screen Module...

Страница 51: ...ipment foryoursafety Tool Part Code Image Description Safety Goggles Prevents accidents during repair protective equipment Safety Gloves ESD safe cut resistant Prevents accidents during repair protect...

Страница 52: ...ay Cross head Screwdriver Tool forscrewing in cross head screws Opening Pick Tool fordisassembling the back coverand otherparts Opening Tool Tool fordisassembling the connectorand otherparts Suction C...

Страница 53: ...it is possible to damage parts or components when using sharp tweezers use tweezers made with plastic orrubbermaterial When removing a vibrator motor it is required to use the round tip metal tweezer...

Страница 54: ...ive tape forattaching the back cover to metal frame and rearcase of the device Front Camera Adhesive Tape GH81 19336A 1 Double sided adhesive tape forattaching the front camera to screen module Screw...

Страница 55: ...mmWave Antenna Module V Metal Bracket GH98 48076A 1 Metal bracket with adhesive tape to attach the left 5G mmWave antenna to metal frame The 5G mmWave antenna is only available forUnited States devic...

Страница 56: ...e acrylic protective cover 3 To prevent injuries and scattering caused by broken glass attach an acrylic protective cover If yourdevice s glass breaks be careful not to injure yourhands orotherbody pa...

Страница 57: ...Prepare the device to repairbyyourself 2 Insert the ejection pin into the hole of the SIM card tray to loosen the tray and pull out the tray gently from the tray slot Afteryou finish disassembling re...

Страница 58: ...Disassembly and Assembly 58 S Pen Remove 1 Press the end of the S Pen to disengage it 2 Pull out the S Pen from the slot Afteryou finish disassembling referto S Pen Assembly forhow to reassemble...

Страница 59: ...ton with yourfingers lightly so that the otherend protrudes 2 Push the tip of the protruding button up carefullywith the tweezers and lift it up until you can grab it with yourfingers When holding the...

Страница 60: ...gers lightly so that the otherend protrudes 5 Push the tip of the protruding button up carefullywith the tweezers and lift it up until you can grab it with yourfingers When holding the buttons with th...

Страница 61: ...Disassembly and Assembly 61 6 Grab the Side button with yourfingers and pull out it carefully from the device Afteryou finish disassembling referto Button Assembly forhow to reassemble...

Страница 62: ...o could cause an explosion If yourdevice s glass breaks the debris can cause injury to yourhands or otherbody parts Foryoursafety attach an acrylic protective coverbefore disassembling the device Foll...

Страница 63: ...the handle can be parted during use As the back covercan be damaged by excessive force be careful not to damage the back cover Be careful that the suction cup does not adhere to the area where the ta...

Страница 64: ...de youropening pick along the left edge to slice the adhesive Leave the opening pick in the left edge side to prevent the adhesive from resealing As the internal circuitry can be damaged do not insert...

Страница 65: ...bottom edge of the back cover and lift upwards while separating it with the opening pick As the back covercan be damaged by excessive force be careful not to damage the back cover If you have trouble...

Страница 66: ...e back coverand the screen module and increase the gap by pressing up down left right on the bottom sides Leave the opening pick in the bottom edge to prevent the adhesive from resealing As the intern...

Страница 67: ...embly and Assembly 67 7 Heat the microwaveable heating bag additionally and apply it on the right edge of the back coverfor3 minutes 8 Place the suction cup in the centerof the right edge of the back...

Страница 68: ...inserted in the right edge to prevent the adhesive from resealing As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damaged do...

Страница 69: ...ert the opening pick in the gap at the top right edge As the back covercan be damaged by excessive force be careful not to damage the back cover As the internal circuitry can be damaged do not insert...

Страница 70: ...2 Slide the opening pick back and forth along the top edge to slice through the adhesive As the internal circuitry can be damaged do not insert the opening pick more than 3 mm 13 Lift up the back cove...

Страница 71: ...cts on the rearcamera or back coverlens Make sure to remove any residual tape attached to the inside of the back coverbefore reassembling the device Be careful not to damage the nearcomponents Apply a...

Страница 72: ...Check and remove the screws at the11 different points at the top and bottom of the device using a cross head screwdriver Check the numberof screws that have been removed and store them carefully to m...

Страница 73: ...opening pick separate 2 connectors of the NFC module and UWB module Be careful not to damage the nearcomponents 3 Place the tweezers in the left and right cornerof the speakermodule tilting the speak...

Страница 74: ...the right of the metal plate carefully and pull it out from the device Be careful not to tearany connected components nearthe wireless charging module Be careful not to damage ortearthe adhesive parts...

Страница 75: ...ously from the device Be careful not to tearany connected components nearthe wireless charging module Ensure that the wireless charging module is unfolded to prevent damaging the FPCB Afteryou finish...

Страница 76: ...Assembly 76 Charging Port Remove 1 Disconnect the battery connectorfrom the main board with the opening pick Make sure to first disconnect the battery connectorforyourown safety Be careful not to dam...

Страница 77: ...in board and charging port using the opening pick ordisassembly stick Be careful not to damage the nearcomponents 3 Disconnect the second interconnect cable from the main board and charging port using...

Страница 78: ...crews that have been removed and store them carefully to make sure that no unassembled screws are left inside the device during assembly 5 Using the tweezers ordisassembly stick lift up on the separat...

Страница 79: ...be replaced at an authorized repairshop If the PBA is faulty contact Samsung forfurtherinstruction 1 Disconnect the remaining interconnect cable from the main board and frame using the opening pick o...

Страница 80: ...head screwdriver When removing the screws be careful not to damage the camera lens and top speaker Check the numberof screws that have been removed and store them carefully to make sure that no unass...

Страница 81: ...areful not to damage the PBA 5 Check the black screw on the camera frame and remove it using the cross head screwdriver When removing the screws be careful not to damage the camera lens and PBA Check...

Страница 82: ...onents 7 Forthe United States 5G devices disconnect the 2 additional 5G mmWave antenna connectors Be careful not to damage the PBA battery connector and nearcomponents The 5G mmWave antenna module and...

Страница 83: ...the tweezers lift up on the separatorgroove to the upperright of the main board carefully and remove the main board module Be careful not to damage the PBA Afteryou finish disassembling referto Main...

Страница 84: ...If yourdevice s glass breaks the debris can cause injury to yourhands or otherbody parts Foryoursafety attach an acrylic protective coverbefore disassembling the device Follow the heating bag s instr...

Страница 85: ...t to damage the front camera and nearcomponents As the adhesive securing the camera is very strong work slowly Be careful not to touch the ejection pin on the side of the camera If you have trouble re...

Страница 86: ...ve the front camera carefully by tweezers oryourfingers and leave the camera lens facing up Be careful not to damage the front camera and nearcomponents Afteryou finish disassembling referto Front Cam...

Страница 87: ...not to damage the battery Check the numberof screws that have been removed and store them carefully to make sure that no unassembled screws are left inside the device during assembly 2 Insert the poi...

Страница 88: ...ctorfrom the metal bracket If the 5G mmWave antenna feels stuck apply a microwaveable heating bag for 2 minutes to soften the adhesive When reheating it should be heated no longer than 30 seconds Whil...

Страница 89: ...b it with the tweezers oryourfingers Be careful not to damage the battery When removing the 5G mmWave antenna be careful not to damage it Be careful not to damage the nearcomponents Do not use a conne...

Страница 90: ...age it Be careful not to damage the nearcomponents Do not use a connectororcable to pull out the module If the 5G mmWave antenna feels stuck apply a microwaveable heating bag for 2 minutes to soften t...

Страница 91: ...Disassembly and Assembly 91 Screen Module The screen module consists of the screen metal bracket and battery As they are bonded to each other they cannot be separated...

Страница 92: ...esive tapes forthe back coverand front camera Wearan anti static wrist strap and connect it to the grounded ESD safe mat Leaving screws inside the device may damage internal components such as the bat...

Страница 93: ...e antenna is only supplied with United States devices 1 Before reinstalling the upperright 5G mmWave antenna you need to replace the adhesive tape on the upper5G mmWave antenna Remove the existing adh...

Страница 94: ...wn lightlywith yourfingers so that the antenna module is fully fitted When assembling the 5G mmWave antenna module be careful not to bend it 4 Replace the metal bracket with a new one before reinstall...

Страница 95: ...tenna in the new metal bracket s recess with the connectorpositioned underneath the longerscrew mount and combine them 6 Assemble the 5G mmWave antenna with the connector When assembling the 5G mmWave...

Страница 96: ...ing the tweezers oryourfingers Press down lightlywith yourfingers so that the antenna module is fully fitted Be careful not to damage the battery When assembling the 5G mmWave antenna module be carefu...

Страница 97: ...e device may damage internal components such as the battery When assembling be extra careful not to leave any unassembled screws inside the device 1 Using the tweezers remove the adhesive tape from th...

Страница 98: ...release film of a new adhesive tape forthe front camera with the tweezers 3 Attach the new adhesive tape 1 ea forthe front camera Using the tweezers align the outside shape of the tape with the posit...

Страница 99: ...front camera in the camera hole so that the lens faces forward and gently insert the front camera Press down softly and evenly on the camera module so that the front camera can be fully inserted Be su...

Страница 100: ...assembling be extra careful not to leave any unassembled screws inside the device 1 Align the main board module onto the device frame Make sure to move the flex cables out of the way to ensure that it...

Страница 101: ...nited States 5G devices using the tweezers oryourfingers connect 2 additional 5G mmWave antenna connectors on the main board Be careful not to damage the battery connectorand nearcomponents The 5G mmW...

Страница 102: ...and fasten the screw on the camera frame using a cross head screwdriver Be careful not to damage the camera lens 6 Using the tweezers position the top speakerin the correct location and gently press...

Страница 103: ...ng the tweezers and fingers connect the top FRC cable connectoron the main board 8 Check the screw 3428 5 ea at the 5 different points and fasten the 5 screws to the main board Be careful not to damag...

Страница 104: ...Disassembly and Assembly 104 9 Connect the interconnect cable to the main board and frame Be careful not to damage the battery connectorand nearcomponents...

Страница 105: ...leave any unassembled screws inside the device 1 Using the tweezers insert the charging port module to the bottom metal frame of device and press down on it in its position smoothly 2 Check the screw...

Страница 106: ...d charging port Be careful not to damage the nearcomponents 4 Check carefullywith yourfingers to see if there are any screws orotherforeign substances inside the device battery PBA cable etc Shake the...

Страница 107: ...Disassembly and Assembly 107 5 Connect the battery connectorto the main board Be careful not to damage the battery Be careful not to damage the battery connectorand nearcomponents...

Страница 108: ...eezers assemble the lowerpart of the speakermodule and press down on it in its position with yourfingers until you heara locking sound Assemble the upperside of the wireless charging module above the...

Страница 109: ...ssembly 109 2 Connect 2 connectors of the NFC module and UWB module 3 Insert and fasten the screw 3428 11 ea at the11 different points on the metal plate and the lowerside speakermodule using a cross...

Страница 110: ...assembled screws inside the device Before attaching the back cover make absolutely sure that there are no screws miscellaneous parts orotherforeign objects on the inside of the device among the batter...

Страница 111: ...ining release film on the device 4 Attach the back coverand press down on the edges of the back cover Check the gap between back coverand the metal frame If you feel the some gap remove the back cover...

Страница 112: ...Disassembly and Assembly 112 5 Press down the edges of the back coverevenly in orderto attach the back cover perfectly...

Страница 113: ...e already included in the screen module Replace them only if they need to be repaired 1 Remove the release film of newVolume button 2 Using yourfingers grab the Volume button and insert it on the slot...

Страница 114: ...an be completely assembled Press the button to make sure it clicks It should have the same sound and feel as before disassembly 4 Remove the release film of new Side button 5 Using yourfingers grab th...

Страница 115: ...and Assembly 115 6 Press down the Side button softly and evenly so that the button can be completely assembled Press the button to make sure it clicks It should have the same sound and feel as before...

Страница 116: ...Disassembly and Assembly 116 S Pen Assembly Insert the S Pen into the slot and push it in its position...

Страница 117: ...ities Check whetherthe parts orsensors in the device work properlywith the Self RepairAssistant app afterrepairing and assembling yourdevice Referto Calibrations formore information Visit a Samsung Se...

Страница 118: ...This guide is a property of Samsung Electronics Co Ltd Any unauthorized use of guide can be punished underapplicable international and or domestic law Samsung Electronics Co Ltd...

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