IPhone 4S gets very hot whilst charging and battery draining fast?

I recently dropped my iPhone and the screen cracked. I replaced the screen and digitiser myself as the one year warranty had ran out. Everything worked fine however, when I charge it, the phone gets too hot to touch and battery life drains far too quickly to be normal. All apps are closed and everything turned off. Is there anyway to fix this? Would replacing the battery help solve this problem?

You prob need a new one

Apple products aren't very good. They break easily and apple doesn't let you do much with them. You can't even install apps from places other than the app store, neither can you customize or upgrade. I suggest android. They are half the price.

Well you have had it a long time. Download a battery diagnostics app from app store. It will tell you how much you get out of a charge and what apps use the battery the most. If this does not work call apple and address the problem

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