every time i update new ios (latest 6.1.3) observe battery life still drop so fast, it never fix. when compare with first day i bough (ios 5 for 4S) i think battery life better than this. apple guys please help to fix it, if not sure whether can fix or not please do not release any version. i dont care what you are trying to solve any problems or any bugs fix but main change that i need is battery life.
for now i really boring about update new ios from apple. its feel bad for me.
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