IOS 4.3.1 Update Contributing to excessive battery drain

I updated my Iphone 4 to the new IOS 4.3.1. I am having battery issues now. Losing 10-15% per hr even if I am not using the phone, email, etc. I have read that it could be caused by several things. I turned off "ping", no effect. I read that I needed to disable push, notifications, location services, wifi, etc. Nothing works still draining much faster than before the update. I tried one final thing hooked up to Itunes and did a restore. Some speculated on the boards that the IOS was correpted when updated. Well still no effect. Battery draining fast. I know it is not a hardware issue as it started right after the update. Any additional ideas?

Ok, so an update for those that are having the same issue... I restored my Iphone in Itunes and instead of loading the backup. I installed as a new phone. This worked and the phone is operating normal again. Power stable no issues same as before the update. Also, as a side by side comparison of the two installs. One with Iphone backup and the other without. In both cases I had no app's, music, etc loaded. So the difference is not due to app's running (multitasking) or incompatible issues. Hope this helps for those that are experiencing the same problem.....

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