Sudden battery drainage!

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Sudden battery drainage!

I'd like to know the suggestions of all of you regarding my iphone4 sudden battery drainage. My replaced iphone4 seems like it's working fine.

But the problem always appears whenever my iphone4 battery turns around 23%-25%. Whenever I press the sleep/wake button when the battery is at around 23-25%,the battery indicator changes suddenly from 25% to 20% (23% to 19%). It's draining about 5% at a time.I have no idea about that problem. I did restore my phone but no changes happen. My old iphone4 had that kind of problem but the area that the sudden drainage occured is around 60 or 62%.

Does someone experience like my phone problem?

Any suggestion to fix?

Thanks for your time! =)

iPhone 4, iOS4.3.5

Posted on Sep 22, 2011 2:46 AM

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Answer 1

ptz.mm Author

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Sep 22, 2011 2:50 AM in response to ptz.mm

sorry. I didn't mean to post two times. I thought it's singapore page.

I didn't know that apple has only one common page for all countries.

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Answer 2

ptz.mm Author

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Dec 23, 2011 2:22 AM in response to ptz.mm

That is what I meant. How come battery drops from 11% to 7% within just one more minute in usage? 😕

There was no running apps in multitasking bar and I did screenshot and put phone in sleep mode. When I woke up my phone,I saw the battery drained from 11 to 7 percent suddenly. 😠

Anybody facing situation like this?

Anyway to fix it.... 😟

iOS 5.0.1 iPhone4

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