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Hi Hugh I need some advice I bought a iphone x off ebay and I have bought a new battery for it tried charging the phone up but doesn’t keep its charge instead the battery I decending instead and not it won’t charge at all I need your help ASAP please help thanks
To start diagnosing this phone you will need a multimeter, boardveiw software, schematics and some magnification. If the top and bottom layer of the logic board need separating you will also need a heating platform, hot air and soldering station and maybe a DCPS with a power squid.