hi my blackberry has recently been reseting itself...like when i make a call, or look at videos or go on the internet. When it comes back on the battery is dead and all my connections are shut off...but my battery was almost full prior to the reset... this happened yesterday so i pulled the battery 2 or 3 times and still a dead battery. I waited maybe 2 hours, i couldnt charge it, i wasnt home. But i pulled the battery yet again. It came back on with an almost full battery...can anyone help?