Introduction
For the official, updated iFixit guide, click here. This guide is archived for historical purposes.
This relatively moderate guide will walk you through with replacing the motherboard of your device. Sit tight as you'll be spending some time unscrewing a lot of screws and disconnecting connectors.
Tools
Parts
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Insert the spudger into the notch on the corner of the phone and lift up to remove the back case.
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Use the T4 Torx Screwdriver to remove the 17 3.2 mm screws in the back panel covering the battery.
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After removing the back panel, use the spudger to lift and detach the Battery Flux Cable from the Motherboard.
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Wedge the spudger between the battery and the phone to lift the battery up and remove the battery. There will be slight resistance to this but the battery will not be damaged by this. It is just the adhesive tape.
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Use the Plastic Spudger to lift up and detach the Signal Flex Cable from the Motherboard. The Signal Flex Cable should still be attached to the body of the phone.
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To reassemble your device, follow these instructions in reverse order.
2 comments
guide states that there are 17 screws to remove (step 2) but there are 20 screws circled… Counting is hard I guess?
From step 9 it’s another phone. I’m guessing E4 (regular) but they are not the same. The vibration motor, second sim tray, and many other components disappear suddenly. Mixing different phones is very irresponsable and lazy.