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hi, my iPhone 4 is dead only turn on when i connect the wall charger as soon i disconnect it the phone turns off i want to know if is the management ic or the real problem, i also changed the battery and clean the motherboard with alcohol….i don’t know what to do any more pls help.
Isit water damaged? If it turns on ore than likely you have a short with the +/- you can test it by connecting the pins where the battery connect with a multimeter. The pins on each end if they have continuity tht means its shorted. Sometimes it’s a bad capacitor
