ok i just got a used phone off ebay worked well for like 3-4 weeks now it gets random restarts and phone and battery get so hot they are hard to touch with out dropping cause they are so hot? (My old optimus s got hot as hell but never even close to how hot as this one does) and the battery OMG it left a blister in my palm from holding it for to long one night i MEAN HOT!! but any ways random restarts usually i am doing nothing just sitting or walking with it in my hand or pocket and i will hear it turn back on (Start up tone) any help??? PLZ?