I have not have had any complains until last update. In 15 min I went from 100% to 85 this never happened before ??
Weird, iOS 4.2.1 - 6-8% per hour
iOS 4.3 - 25% per hour (18% per hour with jailbreak wtf?)
iOS 4.3.1 - 1% per hour
If you ask me, it's superb.
I had the same problem. I did two things yesterday, and today the battery seems back to normal.
I disabled Ping -- which apparently is on by default.
http://lifehacker.com/#!5786368/disable-ping-to-save-battery-on-your-ios-device
I also completely drained the battery, until the phone turned off. I've never done this with any of my iPhones before.
+1
Disabling Ping, and sometimes Push, increases the lifespan by about 1-2 hours. Also, a full cycle resets the battery's conditions, optimizing for the next cycle. These should return your battery back to normal.
If they don't help, then try putting the phone in Airplane Mode in low-coverage zones. It saved me at least 80% of my battery one day; AT&T's crap signal drains more battery than MyWi...
If you need to stay connected, then try turning on Wi-Fi while in Airplane Mode. Yes, it's possible.
I had the same problem. I did two things yesterday, and today the battery seems back to normal.
I disabled Ping -- which apparently is on by default.
http://lifehacker.com/#!5786368/disable-ping-to-save-battery-on-your-ios-device
I also completely drained the battery, until the phone turned off. I've never done this with any of my iPhones before.