iPhone 4s battery issue

ata822

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Jan 19, 2013
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The past couple of days my phone has been acting up. I always charge my phone before I go to bed and again when I wake up in the morning. I almost never over charge it. And usually it only drops 4-5% over night. But now it goes from 95% to 60% while just sitting there. And last night when I went to bed I was at 50% and I woke up and it was dead. Before I went to bed I killed all my Apps etc... Before this happened I hadnt downloaded any new apps or changed any settings from how they always have been. I'm rely stumped because I've always done everything I can to preserve my battery.

...And not sure if it's related but my headphone jack stopped working out of nowhere the day before...

Any ideas?
 

BLiNK

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Oct 7, 2009
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try doing a Reset of Settings and Network Settings then give it a full charge and see what happens
 

applejosh

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Sep 26, 2009
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It could be a battery issue, or it could be a calibration issue. I know Apple recommends taking the batt level down to 20% or so at least once a month. This helps the percentage scale calibrate. I would reset the Settings / Network Settings as per BLiNK's recommendation and then run it down to 20% or lower. (Some people recommend running it until it dies, but I try to avoid the full discharge as I've read lithium based batteries do not like full discharges.) Then charge it up and see how it goes. I had a phone once that would drop like crazy, but once it got down to 10-15%, it would last for hours. After recalibrating it, the batt level dropped more evenly.
 

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