Boy Genius Report had a chance to test the unreleased iOS 4.3.1 build and they claim the firmware update will fix the widely reported subpar battery performance, a “feature” of iOS 4.3:
Battery life seems a tad bit better, though that’s not scientific at all.
I initially dismissed claims of subpar battery performance until my iPhone 4 began acting up a few days ago. Battery performance dropped visibly, forcing me to charge the phone twice a day. How’s your battery life in iOS 4.3? Meet us in comments.