Fix iPhone OS 3.0 Battery Charging Problems

After updating to OS 3.0 my iPhone started exhibiting problems with battery. The battery would not charge at times, it drained fast and the phone ran hot. These are the steps I took to fix the problem.

  1. Backup and sync your phone. Connecting your phones to iTunes and doing a sync will also backup your phone.
  2. Reset your settings. Settings -> General -> Reset -> Reset All Settings.
  3. Hard Reset your iPhone. Press and hold the home button and the power button together until the silver apple logo is shown  on screen [First the "Slide to Power Off" message will appear and then the screen will go blank and then the apple logo will appear]. Once the apple logo appears you can release the buttons.
  4. Disable Push for your accounts. To disable Push you need to go to Settings -> Mail,Contacts,Calendars -> Fetch New Data. Turn Push off and set the fetch interval to whatever you desire.

iPhone Reset

Following these steps, I was able to fix the battery problems and the phone now runs as cool as it was under the previous OS version. My guess is that step no 3 alone would be able to fix most problems, but it didn't do it for me.

A lot of people are experiencing these issues and there are a ton of posts on apple forums. It may be due to iTunes not resetting your phone properly or because of bugs in OS 3.0. I have never seen this widespread complaints about an OS update affecting battery so far especially charging, so it is more likely that the problems are caused by OS 3.0 bugs.

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