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I have an iPhone and it's jailbroken, running iOS 5.1. When using WiFi, it drains very quickly. The rate of discharge is about 1 percentage point every minute. Is this normal? Any suggestions? As usual, all push options are turned off, location services are off and only Safari is running.

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Seems not ok to me. Does it still do that when it isn't jailbroken? If it does you should go to the Genius Bar and maybe get a replacement.

Maybe you could restore then put all your extra software on one by one to see which app is the likely cause.

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Yeah. How about u whats d percentage of ur drain? – vvavepacket Mar 23 '12 at 23:54
I would get 6-8 hours easily with wifi active, so 12% per hour, is about 0.2% per minute? That's a very rough guess. – Adam Eberbach Mar 23 '12 at 23:56
My iPhone 4S lasts all day (up to 2), and I believe it's battery life to be shorter then the iPhone 4. Like @Adam Eberbach mentioned, try a reset. It drastically improved my battery life. – bassplayer7 Mar 23 '12 at 23:58
@user963499, have you also tried to shutdown and restart your iPhone? There may be an app that's running and consuming a lot of power in the background. From my experience with a 3GS running iOS 5.1, it can last well over a day if I'm just using Safari. – JW8 Mar 24 '12 at 0:09
yeah. ive tried restarting it, doesnt work, im planning to reformat it and use ios 4 instead. what u guys think? – vvavepacket Mar 24 '12 at 0:13
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