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Sam
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Overheating and battery drain after Fall

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Hi,

I have dropped my iPhone 4 last week from my pocket.

The problem is, since that happened, the back section of the iPhone, heats up and gets very hot. The heat is on the right side of the phone (where the rear camera is).

This results in the battery draining VERY fast. With just some casual safari browsing, the battery falls by about 10% - in just 2-3 minutes.

When charging the phone is EXTREMELY hot.

The rear camera, also suffered a shock, and the focus motor does not function any more.

The exterior of the phone stayed perfectly fine, but I fear that there is some sort of short circuiting within the board. (cannot be the battery, as it does not get hot).

Does any body have any idea how to check for short circuiting within the board?

If you have any suggestions please help!

many thanks

Sam

Edited by: oldturkey03 ( )

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SIMRAN
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just dismantle it . take out the logic board out and put back inside after 30 min. do not screwed any screw inside. and put back all the jacks . then use it for a while and check it still heats up or not

I'm having the same issue. Simian, if it still heats up with all the screws out what does that mean?

Patrick,

do one thing remove all the jacks means remove camera , power button , front camera. for checking just put the lcd and touch jack on the logic board not any other and one charging jack and the battery also. then try to power up with usb cable. after powering up remove that also . then use it for a while if still heats up then it looks like your logic board or battery is bad. then try with other battery . still same then last option to repair the logic board.

SIMRAN,

Simran, thank you! Your solution worked. My iphone 4 started to heat up rapidly, especially on the top right hand corner, near the camera, which resulted in the the battery draining out in few minutes. My phone was out of warranty so I decided to take it apart and reseat everything. I removed the logic board, removed all the dust inside and reseated all the connections. Some of the screws holding the board to the metal chassis was loose. It works perfectly now.

Biofreak,

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SmartFix
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Check the battery out, try replacing it but I don't think it could help much... Most probably problems with the logic board. Usually it acts like that after water damage...

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Gege
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Hi guys, first of all thanks for your help.

I have the same issue described by Biofreak and I have a question:

why dismantle it and reseating everything should solve the problem?

Thanks

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Gege
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Phone repaired!

I found a little piece of metal sheet, coming from the camera support, that probably does a short circuit in some way. So the effect was an overheating in the camera area and a very fast battery discharging. Removing it the problems disappeared.

bye.

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