Restoring from iPhone 4 backup causes severe battery drain.


New Member
Feb 17, 2011
I wonder if anyone else experienced this.
I restored my iPhone 4S from my iPhone 4 backup. My battery would drain drain in a matter of hours. I turned off everything that could be the cause; wifi, bluetooth, location services, Siri... Still no luck.
I went to the Apple Store to find out if there was a problem with my iPhone 4S and I was advised to restore the phone and use new settings instead of the backup. Since then the battery usage seems to have returned to normal.
The 'Genius' indicated that this seems to be a common problem and that some apps installed on the 4 might cause abnormal battery usage when you use the backup to set up your 4S.