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Repair information and guides for the fifth generation of iPhone. Model: A1387

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Battery performance, iPhone switch off to 30%

My iPhone 4S Battery has 458 cycles of charge, iOS is update to 9.0.2

I have a problem about battery performance, the battery level decrease very fast during the day and when the percentage arrive at 30% more or less, the battery level decrease is very fast and in few minutes iPhone shut down.

When I connect the dock connector to power charge the battery recharges very quickly ..

.. What You think..

Answer this question I have this problem too

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1 Answer

Most Helpful Answer

Time for a new battery. Those are features of old failing battery.

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