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T-Mobile myTouch 3G Repair Guide

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iPhone 3G
Before you begin

  • Read this website's Legal Guidelines and make sure you understand the risks of this repair. Place your T-Mobile myTouch 3G on a clean flat and soft surface, such as a rubber mat or a piece of soft cloth and get the required opening tools


  • Step 2


    Turn your myTouch 3G on the front and remove the battery door.


    Step 3

    Remove the battery.


    Step 4

     

    Take note of the Torx screws on all sides that hold the backplate in place.


    Step 5

    Remove the screws as indicated in the pictures: the screw on the left hand side of the back that needs to be removed.


    Step 6

    Remove the Torx screw on the bottom of the mytouch.

    Step 10

    Remove the Torx screw at the top.


    Step 13

    Remove the second Torx screw at the bottom.

    Step 12

    You can now take off the antenna cover on the bottom.


    Step 16

    With all the screws removed you can now pry the backlate  off from the mytouch using the safe opening tool.


    Step 17

    Work your way along the edge wtih the safe opening tool so that every latch holding it together is released so it can be  taken off.


    Step 18

    Remove the plastic backplate from the phone. The logicboard is underneath.


    Step 19

    Remove all phillips screws visible that hold the two logic boards in place as indicated in the image.


    Step 20

    Remove the Phillips screws on the top logic board.


    Step 21

    Remove the Phillips left screws on the top logic board.


    Step 22

    Now the ribbon cable at the top of the phone can be released from the connector. It's best to use the safe open tool for this step, ignore what you see in the image.


    Step 23

    Ease it off with a tool so that you do not tear the ribbon cable.  Work slowly and patiently.


    Step 24

    There is a small ribbon cable in the center of the top logic board near the battery compartment that needs to be removed from the logicboard.


    Step 25

     

    This one is smaller and is on the bottom half of the phone.


    Step 26

    Again remove the cable using a safe open tool, so that you do not tear the cable or short or damage the contacts.


    Step 27

    Now the logicboard can be lifted out of the casing.  Make sure you do this from the side that had the large ribbon cable attached first.  It is from left to right if you are looking at it properly from top to bottom.


    Step 29

    Once lifted from the one side it can then be turned over to remove an antenna connect and another ribbon cable.


    Step 30

    Remove both connections carefully.


    Step 31

    We are not going to lift off the bottom myTouch 3G logicboard.


    Step 32

    DO THIS SLOWLY.  There are 2 more ribbon cables underneath that need to disconnect without being torn.


    Step 33

    They should naturally come off.  But do it slowly to make sure.


    Step 34

    Now the second myTouch 3G logicboard can be fully removed.


    Step 35

    This is what the mytouch looks like when both logicboards are removed. You can now reassemble your myTouch 3G with the new parts following the steps in reverse order.

     

    If you continue assembly of the front plate you can replace the myTouch 3G Screen as well.

     

     


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