my battery drain to fast. it last long nly for 2-3 hr, my phone is maximum on charging point only. I have rooted my phone nd tried all type of rom bt same issue occured with all Rom. so I think Rom is not an issue. when I check the status in setting thn came to know that my display is using 90% of ny battery even I m nt using my phn.. plz help.. thanx in advance...