Introduzione
The motherboard is the main electronic "heart" of the phone. Only proceed with this replacement if you have tried all other options to no avail.
Strumenti
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Remove the back panel by pressing up on switch, located at the top on the back of the phone.
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Wedge the end of a plastic opening tool into the crack between the back panel and the phone.
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Using a plastic opening tool, unplug the ribbon cable connecting the front LCDs to the motherboard.
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Detach the motherboard by grabbing the edges of it and lifting it straight out of the phone.
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Conclusione
To reassemble your device, follow these instructions in reverse order.