Fifth generation of iPhone. Repair of this device is straightforward, and requires screwdrivers, prying tools, and patience. GSM/CDMA / 16, 32, or 64 GB / Black or White.

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Continual restart after battery change

After changing out the battery on my iPhone 4S using the kit sold here on iFixit, it continually reboots every few minutes. Some other symptoms:

1. It gets HOT

2. Just before it shuts down the screen dims and goes black with a top to bottom curtain effect. It doesn't just go black, it fades out from top to bottom

3. Immediately after the battery change the battery meter icon never went down to register discharge until the phone literally died, then would register the increasing charge upon charging. That didn't last longer than a few days, and then it went to continual rebooting

Here's what I've done, following all the advice I could find here and a few other sites:

1. Opened it back up and verified that the battery is installed correctly, including the ground clip, tinkering with settings like turning Cellular Data on and off, etc - No Effect

2. Hard reset - No effect

3. Factory Reset using the phone - No Effect

4. Factory Reset using iTunes from Recovery Mode - iPhone either freezes during the installation of updated iOS giving a "The iPhone could not be restored. An unknown error occurred [error 29]." or, since I've tried this more than once, the phone restarts in the middle of it.

I'm pretty sure its something with the battery, or the replacement process...I reinstalled the old battery and it started working fine again, but I'm back to having a phone that holds no charge.

I'm out of ideas. Anyone have any others?

Thanks!

Answer this question I have this problem too

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Just so folks know and to close it out , I did contact Customer Service about this shortly after I opened the topic and they sent me a replacement battery right away. They explained that while its rare, its possible for a new batter to be bad, and the only option was replacement. The replacement, worked perfectly. I was very impressed with iFixit customer service.

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OP said, "I'm pretty sure its something with the battery, or the replacement process...I reinstalled the old battery and it started working fine again, but I'm back to having a phone that holds no charge."

Get another definite iPhone 4S battery and install it.

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Thanks. I figured that iFixit sold compatible batteries, and the tutorial worked. Otherwise there wouldn't be so many success stories. I was hoping it was something simple I did incorrectly that would be recognizable from the symptoms. I'll just have to get another battery.

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Having the same problem - unresolved - after installing a iFixit battery. If iFixit did not replace your battery they should be put out of business. Did you notify them?

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I contacted customer support with my issue, and they sent a replacement battery out at no charge. That worked flawlessly and is still going strong over a year later. If you haven't contacted them, I recommend you do. I simply sent an email to Customer Service with my order number explaining the situation and they had a battery out the next day. Good luck!

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dadozach will be eternally grateful.
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