My iPhone 3GS not charging and heating up
My iPhone 3GS not charging neither a/c nor USB port
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First thing to check is the battery, then dock connector. It may be the fuses that control charge from battery getting to motherboard...these are the cheap and easily repaired options. The last choice is Simrans suggestion of power ic, as it is most difficult and costly if you change the motherboard. Be methodical and change battery, try again with charging. If that doesn't work then change dock connector. These 2 items can be purchased from places for about $10-$20.
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you phone's Power management ic gone shot. check whenever you try to charge the phone or plug in the computer you phone getting hot near volume keys . you should change the logic board. if you have a capability to change the PM ic then this is available in the market . buy that and change it . and note that this ic is fixed on logic board with black glue this is not easy to remove . best of luck
this is mostly occur when we are using a grey market cheap charger .
see the procedure to change the ic :
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This has happened to my iPod and my android phone before. Either a renegade process is running in the background and draining power faster than it's charging, or there may be a short in your power circuit.
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Does itunes recognize it when it is plugged in? did anything happen to the phone? Any damage or did it just start all of a sudden? What have you tried thus far to fix it? Number one suggestion would be to change the battery and start from there.
by oldturkey03
It was plugged in a/c after some time it got heatup and not charged. I have tried with different charger as well as s try to USB of my computer. But it doesn't charge to detect itune.
during these process it just start one time for few minutes so I hopping battery is may be OK.
by Suraj