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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iPhone 5s battery draining very fast

I am working on a 5s that drains battery REALLY fast. I have tried 2 batteries. If I charge it with a wall charger to 100% it will drain within a few hours all the way to 0 without doing anything.

I also had it connected and charging on the computer for a few minutes and it manage to drain down to 0 while it was plugged in!

What could be causing this?

Answer this question I have this problem too

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2 Answers

Most likely U2 IC chip is causing this. Had same problem.

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Any fix available? ??

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Sam will be eternally grateful.
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