The Apple iPhone 5s was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Silver, Gold, and Space Gray.

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iOS 11 bricked my device

My battery had gotten old and since my warranty was already gone, I replaced it with a high quality replacement. It wasn’t a crappy one from China or something. And this worked for almost 6 months. Then I updated to iOS 11. After two days I was low on battery when my iPhone restarted twice then died. I plugged it in over night and tried to turn it on using every trick in the book. I took it to the Genius Bar and they did the same things I did to no avail. I had smartly saved my older crappy battery and when I turned home I opened up my phone and put in the old battery and, presto it worked perfectly. I know apple doesn’t support 3rd party screens and batteries but I’m pretty sure these two batteries are completely identical in all but casing. I’m writing this question because I want to know what went wrong and how replacing the battery fixed it.

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Sounds purely coincidental. Probably either the replacement battery went faulty or charging circuit has an issue.

You will notice charging circuit is at fault if phone does not turn on once the battery goes flat.

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so how can i test the replacement battery so see if its faulty


I agree with @benjamen50 -- I don't think iOS 11 bricked your hardware in that fashion. Also, iOS 11 is beta, meaning strange things can happen. It's not ready for prime time, It is at least 2-3 months away from release.


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