hi, i am having problems with my galaxy s 2, when i charge the phone and the notification sounds that the phone is fully charged i unplug it, the little icon on the top of the screen with ''100%'' charge is on but on my phone, this doesnt go off even when the battery is about to go flat...??? i used to get 2 days battery life now im lucky if i get 7 hours... i always shut down apps when im finished with them too! My phone has no new updates ether of android 2.3.5 im still running on 2.3.3... my bother has the same phone and has none of these problems... any help out there