Iphone battery life after 1.11 upgrade

I noticed that suddenly after applying the 1.11 upgrade, the battery life in my iphone dropped by at least 50%. Has anybody else experienced this and is there a solution??

I have actually seen an increase in my battery life. Before I used to get a max of 4 and a half hours (with update 1.0.2). As of now, I have got a max of 8 hours and 32 minutes usage with 1 day and 12 hours of standby. My average is 6 hours of usage with 2 days of standby with Update 1.1.1.
Try to drain your battery completely (Until your phone shuts down and the Connect to plug icon is shown with the red sliver on the battery). Then connect to your wall charger and do a complete recharge. This might help your battery indicater to recalibrate.

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