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Old 06-03-2012, 10:38 PM   #1
crazyone
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Unhappy is that normal? battery

I was just wondering, how long should the iPhone 4's battery last? I can usually get through a day on mine, and I have done ALL of those battery saving tips, setting time zone, fetch email, half brightness, etc. is that normal?
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Old 06-04-2012, 10:27 PM   #2
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Mine lasts three or four days, but I don't use it a lot, nor do I use it as a phone much. I'd say during that time I use it as a phone a total of a 1/2 hour, and play solitaire perhaps for an hour.
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Old 06-05-2012, 05:07 AM   #3
David Munch
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That is unfortunately pretty normal. I get around 2 days out of my battery, but I almost only use it for audio books.

Make sure to turn off wireless, positioning and bluetooth, as they are the worst power drains.
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Old 06-05-2012, 05:07 AM   #4
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Don't make/receive many calls on mine either, probably 20mins of talktime per day, but I'll listen to 4 or 5 hours of podcasts or music, Bluetooth and WiFi always on, push email always on, screen at ~35% with auto-brightness on & auto-lock after 1 minute. End of the day the battery's typically at around 50%, so I charge it every couple of day or so. It's rarely switched off, just put into flight mode overnight.

Might be worth trying a hard reset - press & hold the home and power buttons until you see the Apple logo, then release and let it restart. Or if your iPhone's relatively new perhaps calibrate the battery by running it right down - literally until it shuts itself down , not just until it shows 1% remaining - and do a full charge overnight. This made a big difference to my new iPad.

HTH Pete
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Old 06-05-2012, 10:40 PM   #5
crazyone
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o really,you are so kind,i will check it out
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Old 06-05-2012, 10:43 PM   #6
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Mine lasts about a day but I use a lot of battery draining apps. If I'm using it just for texts and phone calls it'll last 2-3 days.
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Old 06-06-2012, 07:18 AM   #7
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If i don't use the iphone to listen music or play games, it would lasts 2-3 days, but if i do those things, then it would last only 1 day.
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Old 06-12-2012, 03:29 PM   #8
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After 18 months mine lasts about a day, but I use wireless, email, twitter and ipod apps alot. Also if you have a weak cell signal (1 bar or less), this can reduce the battery life significantly.
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