Took off full charge at 9am. By 3pm I was at 30% battery having 50 min of conversation/voice calls, 19 text messages, zero internet and games. By 6pm my battery was warning me at under 15%. Use told me standby @ 37%, display @ 12%, phone idle at 25%, android os @ 9% and rest of the stuff @ 5% or lower. I just don't get it my battery was gone in 9 hrs with light use IMO. Before the update I had much better battery life. I just wanted to see if I was being unreasonable before I decide to exchange my phone/battery.