Samsung SM-S908B/DS - Manuals

Samsung SM-S908B/DS Smartphone – User Manual, Repair Manual in PDF format online.

Manuals:

User Manual
Repair Manual

User Manual Samsung SM-S908B/DS

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Repair Manual Samsung SM-S908B/DS

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Summary

Page 2 - Table of Contents; Usage Notices; Quality Test

2 Table of Contents Usage Notices 4 Precautions for Repair5 ESD (Electrostatic Discharge) Precautions6 Instructional Icons Software Update 7 Updating Software through FOTA 7 Software Update Failure 7 Updating Software through Smart Switch 8 Recovering from a Software Update Failure8 Recovering on An...

Page 3 - Exploded View and Parts List

3 Table of Contents 43 Under-display Camera Calibration (Fold Models Only)45 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 48 Exploded View49 Parts List Disassembly and Assembly 50 Tools for Disassembly and Assembly53 Fasteners (Adhesives and Materials) for...

Page 4 - Precautions for Repair

Usage Notices 4 Usage Notices All functionality, features, specifications, and other device information provided in this document, including but not limited to, benefits, design, pricing, components, performance, availability, and capabilities of the device are subject to change without notice. Sams...

Page 5 - ESD (Electrostatic Discharge) Precautions

Usage Notices 5 • Make sure to wear the appropriate safety equipment before carrying out repairs. Samsung is not responsible for injuries that may occur because of not wearing the proper safety equipment. Refer to Tools for Disassembly and Assembly for a list of tools that you will need for assembli...

Page 6 - Instructional Icons

Usage Notices 6 Instructional Icons Warning : situations that could cause injury to yourself or others Caution : situations that could cause damage to your device or other equipment Notice : notes, usage tips, or additional information

Page 7 - Software Update

Software Update 7 Software Update Updating Software through FOTA Update your device’s software through the firmware over-the-air (FOTA) service. You can also schedule software updates.Launch the Settings app and tap Software update → Download and install . • Install now : Install updates. • Schedule...

Page 9 - Performing a Factory Data Reset

Software Update 9 3 On the devices list, click the device that failed to update the software and check the recovery code. 4 On another computer, launch Smart Switch . 5 Click → Emergency Software Recovery and Reset → Emergency code recovery . 6 Enter the recovery code and click OK . 7 Follow the on-...

Page 11 - Quality Test Using the Samsung Members App

Quality Test 11 Quality Test Quality Test Using the Samsung Members App It is recommended to evaluate your device through the Samsung Members app after it has been repaired to guarantee its performance. If the test results show any abnormalities or that another malfunction has occurred because of th...

Page 12 - Test Items

Quality Test 12 3 Tap Test all . The device performs a test on all items.When the test is finished, you can check the test results. • Tick mark: Working normally • Exclamation mark: Needs further inspection • The test proceeds automatically, but you may need to follow the on-screen instructions depe...

Page 25 - Calibrations

Calibrations 25 Calibrations Calibrations In order to guarantee the stable and correct performance of components or sensors, it is required to conduct calibrations through the Self Repair Assistant app after repair. If the calibration results show any malfunctions, visit a Samsung Service Center for...

Page 26 - Using the Self Repair Assistant App

Calibrations 26 • Depending on the model, the screen module may include batteries. So when the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. • In the Fold models, touch screen panel calibration is performed for both the main and cover scr...

Page 31 - Optical Fingerprint Sensor Calibration

Calibrations 31 Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimized fingerprint sensor performance for devices that have it.Optical fingerprint sensor calibration is available through the Self Repair Assista...

Page 34 - Resetting the Battery Cycle Count

Calibrations 34 8 Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. 1 L...

Page 37 - Range Sensor Calibration

Calibrations 37 Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimized.Range sensor calibration is available through the Self Repair Assistant app. Some ...

Page 39 - Touch Screen Panel Calibration

Calibrations 39 Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input.Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both...

Page 41 - Speaker Calibration

Calibrations 41 Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimized speaker performance for devices that have it.Speaker calibration is available through the Self Repair Assistant app. 1 Launch the Self Repair Assistant app. 2 Select the part that you h...

Page 45 - Digital Hall Sensor Calibration (Fold and Flip Models Only)

Calibrations 45 Digital Hall Sensor Calibration (Fold and Flip Models Only) Whenever the screen is replaced, the digital hall sensor must be calibrated to guarantee optimized digital hall sensor performance for devices that have it.Digital hall sensor calibration is available through the Self Repair...

Page 48 - Exploded View

Exploded View and Parts List 48 Exploded View and Parts List Exploded View * SVC REPAIR TAPE QRT01

Page 49 - Parts List

Exploded View and Parts List 49 Parts List Number Name QAN01 Wireless Charging Module QBC01 Back Cover QBR02 Button Holder QCA01 Front Camera QCA02 Rear Camera(Wide) QCA03 Rear Camera(Ultra Wide) QCA04 Rear Camera(Tele 1) QCA05 Rear Camera(Tele 2) QCK01 Side Button QCR252 Screw 1 QCR259 Screw 2 QFR0...

Page 50 - Disassembly and Assembly

Disassembly and Assembly 50 Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Safety Goggles Prevents accidents during repair (protective equipment) Safety Gloves (...

Page 53 - Fasteners (Adhesives and Materials) for Assembly

Disassembly and Assembly 53 Fasteners (Adhesives and Materials) for Assembly Whenever detaching the back cover or front camera for repair, you absolutely must replace the adhesive tapes for the back cover. Item Quantity Image Description Back CoverAdhesive Tape GH81-21486A 1 Double sided adhesive ta...

Page 54 - Disassembly for Back Cover, Display, and Charging Port; Before disassembling:; For all cases of broken glass:

Disassembly and Assembly 54 Item Quantity Image Description Screw 3439 6001-003439 2 Screws for the upper speaker (2 ea) Screw 3428 6001-003428 19 Screws for the rear (15 ea)Screws for the charging port (3 ea)Screw for the camera (1 ea) Disassembly for Back Cover, Display, and Charging Port Replacem...

Page 55 - SIM Card Tray and S Pen Remove

Disassembly and Assembly 55 4 Press the acrylic protective cover with strong force so that it is strongly attached to the glass. Wait more than 5 minutes until the bond between the acrylic protective cover and the glass is strengthened. Acrylic protective cover 5 Follow the disassembly steps in this...

Page 57 - Button Remove

Disassembly and Assembly 57 Button Remove The buttons are already included in the screen module. Replace them only if they need to be repaired. 1 Press one end of the Volume button with your fingers lightly so that the other end protrudes. 2 Push the tip of the protruding button up carefully with th...

Page 60 - Back Cover Remove

Disassembly and Assembly 60 Back Cover Remove When removing the back cover, ensure that the device is fixed on a flat surface. 1 Heat the microwaveable heating bag and apply it on the left edge of the back cover for 3 minutes. • It is possible for the device or battery to be damaged by heat. • Do no...

Page 70 - Wireless Charging Module and Bottom Speaker Remove

Disassembly and Assembly 70 Wireless Charging Module and Bottom Speaker Remove 1 Check and remove the screws at the 11 different points. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.

Page 75 - Charging Port Remove

Disassembly and Assembly 75 Charging Port Remove 1 Grab and remove the first interconnect cable from the frame using the disassembly stick. Be careful not to damage the near components. 2 Grab and remove the second interconnect cable located to the left of the first cable from the frame using the di...

Page 78 - Main Board Remove

Disassembly and Assembly 78 Main Board Remove The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. 1 Check the screws at the 4 different points and remove them using a cross-head screwdriver. When removing the screws, be careful no...

Page 80 - Upper Speaker Remove

Disassembly and Assembly 80 5 Using the disassembly stick, lift up on the separator groove to the lower of the main board, and remove the main board module. Be careful not to damage the PBA. After you finish disassembling, refer to Main Board Assembly for how to reassemble. Upper Speaker Remove 1 Re...

Page 82 - Front Camera Remove

Disassembly and Assembly 82 Front Camera Remove 1 Heat the microwaveable heating bag and apply it to the front side of a front camera module for 3 minutes. • It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. • ...

Page 84 - Display Module

Disassembly and Assembly 84 3 Remove the front camera carefully by hand, and leave the camera lens facing up. Be careful not to damage the front camera and near components. After you finish disassembling, refer to Front Camera Assembly for how to reassemble. Display Module The product has been disas...

Page 85 - Reassembly for Back Cover, Display, and Charging Port; Preparing a New Display Module

Disassembly and Assembly 85 Reassembly for Back Cover, Display, and Charging Port Replacement Before reassembling: • Remove the adhesive tape residues perfectly. • Prepare all existing screws of this device and adhesive tapes for the back cover and front camera. • Wear an anti-static wrist strap and...

Page 87 - Front Camera Assembly

Disassembly and Assembly 87 Front Camera Assembly Leaving screws inside the 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 sponge from the front camera hole complete...

Page 92 - Upper Speaker Assembly

Disassembly and Assembly 92 Upper Speaker Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Assemble the upper speaker module.Insert and fasten the screw 3439 (2 ea) ...

Page 95 - Charging Port Assembly

Disassembly and Assembly 95 Charging Port Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. 1 Insert the charging port module to the bottom metal frame of device. Pre...

Page 97 - Wireless Charging Module and Bottom Speaker Assembly

Disassembly and Assembly 97 Wireless Charging Module and Bottom Speaker Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. 1 Connect the battery’s connector to the mai...

Page 100 - Back Cover Assembly

Disassembly and Assembly 100 Back Cover Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device.Before attaching the back cover, make absolutely sure that there are no screw...

Page 103 - Button Assembly

Disassembly and Assembly 103 Button Assembly The buttons are already included in the screen module. Replace them only if they need to be repaired. 1 Remove the release film of new Volume button. 2 Using your fingers, grab the Volume button and insert it on the slot carefully. Be careful not to damag...

Page 106 - SIM Card Tray and S Pen Assembly

Disassembly and Assembly 106 SIM Card Tray and S Pen Assembly 1 Insert the S Pen and tray back into the slots. 2 Ensure that there are no abnormalities. • Check whether the parts or sensors in the device work properly with the Self Repair Assistant app after repairing and assembling your device. Ref...

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