I recently updated my Note 2 to 4.3 and it has been working quite well. But today in the train I was using it and the battery level drained to 20%, Since the battery was low, I switched it off and ...
My Sony Xperia Neo V battery performance has gone down very badly after upgrading to ICS. It mainly happens when I have my mobile data/internet turned on. How can I improve the battery performance?
I updated my non-rooted Samsung Galaxy S2 from 2.3.5 to 4.0.3. Now, I recognize a significant decrease in battery lifetime. Any idea what may cause it and how to get around it?