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Unknown problem: earpiece of iPhone 5 makes loud crackling/static sounds while on a mobile-call
Dear people,
I have been dealing with a problem since a couple of days and didn't manage to fix it.
I own an iPhone 5 with iOs 7. The problem is as follows: whenever I charge my phone over 75/%76% I get a constant rattling/static sound while on a phone call. This is also the case when I have a phonecall while my phone is on the charge. Surprisingly enough, when my battery is below 75% the problem is gone. I have replaced the battery and the earpiece before but the problem still persists. I think it has to do something with the hardware/energy management? Anyone can help me one?