There are a lot of sites out there on problems with the battery on the iPhone 3G and most of them are helpful. However after trying all of the solutions with my iPhone yesterday I was still having an issue where the battery was draining in under 4 hours. This problem started yesterday morning and nothing seemed to have transpired that would seem to be the root cause of the problem (I didn't change any settings and I didn't add any new software). I finally found a solution by doing the following. This assumes that you have a Microsoft Exchange account setup in push mode.
1) Write down the settings for the exchange account.
2) Delete it within the iPhone settings.
3) Reboot the phone.
4) Add it back.
This stopped the battery drain and everything is back to normal. It seems that somehow the account was erroring and it was polling the exchange server ALL THE TIME thus using the battery up very quickly.
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9 comments:
Don't know why, but this seems to have worked now.
I had isolated the battery drain in my 3GS to the exchange server PUSH and found that on my initial setup, my battery would drain in 5 hours even in standby. So I turned PUSH off, and my battery life went up dramatically. After a few days, I saw this post, and decided to see if I could renable PUSH. I followed these steps, and it seems to have worked now. No longer polling coninuously. Not sure why though.
I have the same problem with my battery (iPhone 3GS) only it lasts for twp hours with WiFi and Phone on. One or two short calls and checking the weather and stocks and the battery is out!
I will try your solution, it could be the PUSH on the exchange server thing! I hope it works, otherwise there goes $1100 i wasted on this yet another premature Apple device! Whatever happened to Apple? They used to produce excellent quality dependable equipment, now they are simply another greedy couldn't-care-less company producing rubbish products with massive marketing!
Hi, I tried to delete the exchange settings, rebooted and reinstalled them several times but my battery still drained in a couple of hours 9even less). The Usage/Standby detail in Settings>General>usage showed two numbers almost the same meaning the phone was in use trying to connect to something or doing something other than standing by! I turned off PUSH and set to Fetch in the email, Contacts, calendars and that did it. Obviously the problem is with the PUSH "technology" of Apple, what a joke!
Even with the PUSH set to OFF, my battery lasts for a few hours. Compared to my HTC HD the iPhone is a failure, more of a stupid toy than a real phone/multimedia device.
http://discussions.apple.com/thread.jspa?threadID=1696689&tstart=0
seems to be meeting requests, im hoping it works for me.
Hello There
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Interesting article as for me. It would be great to read more concerning that matter. The only thing I would like to see here is some pictures of any gizmos.
David Stepman
Mobile phone jammer
Many times when we buy a new cell do not read the instructions and can harm us.
hi
I'm sure you have resolved this problem by now since there are a lot of tips over the internet. You should watch out for the coming iphone 5 for it really is amazing!
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