Use this guide to remove and repair the logic board.
Press and hold the button at the bottom of the back side of the phone while sliding the back plate down to remove the back cover.
Note: Images on the right side may be hovered over to reveal larger versions.
Lift up the battery from the inside of the phone.
Use a plastic opening tool to remove the silver cover over the antenna.
Remove the two newly revealed .208 inch screws at the top using a T-6 screwdriver.
WARNING: Use extreme caution when removing and handling the logic board as it is very fragile.
With caution, use a plastic prier to separate the back silver casing from the front of the phone. This may require force.
Disconnect the logic board from the small orange chip.