Introduction

For this model ,removing the Logic board is very difficult operation!!!! If you do something wrong, you may damage the board.


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Video Overview

  1. Warm the Back Cover. You can use a hairdryer. Be careful, the Cover is plastic. Use a small suction cup and plastic tools for separating the Rear panel.
    • Warm the Back Cover. You can use a hairdryer.

    • Be careful, the Cover is plastic.

    • Use a small suction cup and plastic tools for separating the Rear panel.

    • Before installing the new cover, you must clean the phone from the old adhesive tape and install a new one if your spare part has come without double sided adhesive tape.

  2. Disconnect the Battery Cable. The battery is stuck to the phone fame. Use the white tape to remove it. Li-Polymer Battery, 2230 mAh
    • Disconnect the Battery Cable.

    • The battery is stuck to the phone fame. Use the white tape to remove it.

    • Li-Polymer Battery, 2230 mAh

    • Part number: LIS1551ERPC

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  4. Remove the SIM and the memory cards. Remove x4 T5 Torx Corner screws & x2 T5 Torx Screws on the Board
    • Remove the SIM and the memory cards.

    • Remove x4 T5 Torx Corner screws & x2 T5 Torx Screws on the Board

  5. Disconnect one by one:
    • Disconnect one by one:

      • Touchscreen flex cable

      • Proximity sensor flex cable

      • Power on, Volume buttons cable

      • SIM & Micro SD flex cable

      • Coaxial antenna cable

  6. Disconnect the LCD Display flex cable. The connector is on the other side of the board, under the Power/Volume buttons flex cable connector. Put one plastic spudger between the Logic board and the Main frame.
    • Disconnect the LCD Display flex cable. The connector is on the other side of the board, under the Power/Volume buttons flex cable connector.

    • Put one plastic spudger between the Logic board and the Main frame.

  7. Step one: move aside less the left side of the board - down. Step two: the left side of the Logic board must go out of the main frame. For this manipulation use only plastic tools.
    • Step one: move aside less the left side of the board - down.

    • Step two: the left side of the Logic board must go out of the main frame.

    • For this manipulation use only plastic tools.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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ZFix

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My mobile charge bin problem how to find that problem , no charged my mobile…

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