i have a atrix phone and the screen has been broken twice once my puppy got it and then my 9 month old nephew dropped it face down in the street he grabbed it out of my shirt pocket it its not that hard to break it first time it was broken got a replacement phone under insurance but now the replacement phone is not working it keeps overheating and shutting its self off now it won't even turn on or charge the battery not sure what to do not sure if i should just replace the battery if that's the problem or what is wrong