Dropped a weight on my phone
While working out this evening, I dropped a 25 pound weight on my phone. There are no cracks, and the phone continued to work for several minutes before overheating and shutting down. When I flipped it over, I noticed a small dent on the back of the phone. Once it cooled off, I plugged it in to a charger and the white screen with the black Apple logo on it appeared. It then disappeared and reappeared and has been doing so for the past hour or so. I am not sure what to do. There is no sign of pixel damage, the screen is not dented, the phone is not cracked, and it is no longer heating up.
iPhone 5, iOS 8