Hello, First of all, I am not a newbie and am fairly familiar with this device. What i cant figure out though is why my battery life fluctuates so much sometimes. And i should preface this with the fact that my daily activities do not change. What I do on my phone each day does not change. I do alot of emailing, texts and moderate phone usage. I use the same apps pretty regularly, sometimes browse the web, sometimes play Angry Birds. Why at the end of the day is my battery sometimes still at 50%, and other days my battery is at 50% by lunch time??? Please don't state the obvious - NOTHING changes from day to day. I don't use certain apps some days that use more battery. I am a very predictable, boring person. Nothing changes - but my battery life does!! Please help..