Many users of the iPhone 4 or 4s or the new iPhone 5 are extremely unhappy with the battery life performance in the phone after upgrading to IOS 6 (or 6.0.1). It seems that after upgrading to IOS, the battery drains much faster than it did prior to the upgrade.
Title: iPhone 5 battery life is way worse than iPhone 4
Over 168 pages ( 2,753 + replies) !!!
And here is another thread on the same subject…
Title: iOS 6 iPhone 4s battery drain
Over 106 pages (1672+ replies) !!!
And here is another big issue… ( 582 Replies +)