HTC Desire 700 Dual Sim Printed Circuit Board (PCB) Replacement
Introduction
Go to step 1Check to see if the indicator light at the top of the phone illuminates when plugged in. If the indicator light illuminates, the battery is likely at fault as it can no longer hold a charge (if this is the case, see the guide for battery replacement). If the indicator light does not illuminate when plugged in, the charging port may be faulty. The charging port, or printed circuit board (PCB board), can be replaced if the device if it is no longer responsive when plugged in.
What you need
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Pry the back panel of the screen using the plastic opener.
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Work your way gently around the device, using picks as necessary to keep the back panel separated.
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Tool used on this step:Tweezers$4.99
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Disconnect wire going from the printed circuit board to the motherboard using the tweezers.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.