Second generation of iPhone. Model A1241 / 8 or 16 GB capacity / black or white plastic back. Repair is more straightforward than the first iPhone. requires screwdrivers, prying, and suction tools.

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What should I do if my iPhone 3G doesn't turn on?

I got my brothers broken iphone 3G with updated jailbreak. I changed the rear plane and the mute button, then I restored it 4.1 ipsw, then I jailbroken it with redsn0w and unlocked with ultrasn0w, then there was "no sim installed" error, I did re unlocking many times, then I thought it is hardware problem.I tried to adjust the sim reader to bend those sim reader bins so it can have better connection, but I accidentally opened my iphone when it was turned on and now it doesn't turn on only shows apple logo and then automatically restarted and shows again apple logo, I tried to restore it again but nothing happens.

Thank you for helping...:)

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try charging the phone? then a hard reset? iReb/recboot/tinyumbrella to get out of bootloop?


btw if you were fiddling around when the phone was open maybe you knocked something loose? check connections


I charged the phone, tried the hard reset and all connections are connected. Still when I turn it on shows me the apple logo and after about 10 min it flashes and again apple logo and it will continue like that and the itunes crashes when the flash happens.


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Sounds like something is shorting out. Check all the connections for everything, down to the SIM card reader to make sure they aren't touching where they shouldn't. Also, make sure the connections are touching where they should be.

It seems to me the SIM card reader failure for this generation iPhone seems common.

A full restore/flash is what is in call. You may have done this already, but if not here is how:

  1. Turn off the iPhone, and launch iTunes.
  2. While pressing the home button the iPhone, plug it into iTunes.
  3. iTunes will ask you if you want to do a full flash. This deletes everything. It will make it just like it came back from the factory.

If after this it fails, then it is a hardware failure. A short could have caused enough damage to be made that is unrepairable.

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