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 Battery Drain/Usage on iPhone 2G/3G/3GS/4, What to do? How? Solution?

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barry80
post Nov 13 2010, 12:37 PM

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QUOTE(userONIX @ Nov 8 2010, 08:14 PM)
weird. today my battery drain so fast. full charged 100% last night at 1am.
wake up at 7am, battery already 70-80%. now only left 7% with 2 hours total usage. Wifi on. 3g off. no running apps. brightness 50%. before this happen 1-2 times. now it's happening again. weird.
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damn! i havin' this problem for the first time too sweat.gif

charged 100% full before sleep, 7 hours later the percentage drop to 79%. standby for 7 hours already eaten up 21%, this is really abnormal. triple checked there is no background program runnin'; turned off everything (only airplain mode is on)

already reboot & now observin' how this thing goes wrong again... shakehead.gif
barry80
post Mar 25 2011, 03:34 AM

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Joined: Feb 2006
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QUOTE(AngleR35 @ Mar 7 2011, 11:59 PM)
yes , i know the meaning for the usage time and standby time , but my phone usage time and standby time are always the same even i lock my phone ..

I didnt turn on the 3G&Cellular network , also didnt turn off the Wi-Fi ..
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last time i also havin' this problem when i get the ios 4.2 updated. i think some guy here already explained the battery draining issue about ios 4.2 onwards...

please refer to this same old news New Iphone OS

my only solution to this battery draining issue is just enable Cellular Data 24/7 since the upgrade of ios 4.2.

& now i'm on 4.3 with Cellular Data ON too. no more battery drain...

u can try to enable ur cellular data once fully charged & c how its goes for few days....

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