No doubt about it, issues with battery life remain a hot topic for iPhone 3.0 and iPhone 3GS users.
Now, if your battery drain is caused simply by use — you never put the iPhone (or iPod touch) down and are always playing games, pushing IMs, watching movies, etc. your only choice is to get a few more charging cables or battery extenders. If, however, you’re doing roughly the same things you’ve always done and getting substantially less battery life for your troubles, there’s a chance a few troubleshooting steps might just help get your power problems back under control.
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Like most iPhone users out there, I’m always excited about firmware upgrades because you EXPECT things to be BETTER afterward, right? I just so happened to be up late, writing, on the night that the 2.2 firmware update hit, and wasted no time in downloading it to my precious iPhone 3G. Once completed, everything was fine and much improved! Or… was it?
It wasn’t long until I realized that my iPhone was heating up excessively and I couldn’t keep it close enough to a charger. If my phone was topped off when I went to bed, and left unplugged, it was dead by morning. How could this be? Even a reset didn’t help. There had to be some app running in the background that was chewing up my battery faster than Pac-man on a steroid/speed cocktail. Are YOU having the same problem since the 2.2 update? If so, read on. This tip may apply to you!
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How is your battery life doing after upgrading to firmware 2.1? Hopefully better than mine!
I thought everything was going great after I updated Friday morning. Well I had a full charge late in the afternoon and left for work. A half hour later I noticed my iPhone was a bit warm without even using it. I Looked at my battery life and I was at 50% or so! Safe to say the phone was dead not long after.
So after a full night on the charger last night I thought everything should be good today. Well I was wrong. 2 hours of standby and a 5 minute phone call later, and my iPhone looked like the above picture. Actually that is exactly how it looked! What has really got me stumped is that I checked the usage meter and it said I used 1 hour and 56 minutes! A 5 minute phone call turned into that somehow? The time since last full charge was at 2 hours, which was correct.
I did a full restore without using a back up file after this, charged my phone and while the battery did seem to last longer, the battery meter is way off still. The “force quit” did not work, nor did any soft resets.
There is a thread over at Macrumors and Apple Discussions showing others are having this exact same issue, so that leads me to believe that my iPhone is not the issue but rather a issue with the 2.1 firmware in combination with something else? MobileMe possibly?
Turning off Push… my usage meter goes back to normal. Now I’m turning push on for mail only. We’ll see if it messes it up again.
If anyone has had issues like this please chime in.
UPDATE: I am happy to report that ever since I shut off push for contacts and calendars my iPhone is now working like it should. Just woke up and checked the phone, I almost have a full charge and it says I have used 1 hour and 16 minutes and time since last full charge is 10 hours. Which is correct. So it is a issue with mobileme push for sure. Whether it is getting stuck or whatever, if you are having battery issues and use mobileme or exchange try turning off push completely. Then, if it is the issue, slowly turn back on the email push feature and test it out. Then contacts and calendars…
