Previously, my iphone 4 can last for 3-4 days on normal and very low usage.
The usage time was about 9 hours and standby time was 3-4 days.
Wonder why today after fully charge, the usage time and standby time always the same now: 11 hours and battery % is dropping from 100% - 71% now.
Why and How to check which application is still on background?
Battery Drain/Usage on iPhone 2G/3G/3GS/4, What to do? How? Solution?
May 16 2011, 11:27 PM
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