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my phone screen is black and whenever I press the home button it doesn’t light up. whenever I put my charger in it it then vibrates which indicates that the phone is still working. I also switched my phone onto silent mode which also makes it vibrate. i’ve tried so many things and nothing has worked yet, please help me!!!

Try a force restart How to Force Restart an iPhone 5

Is this after a screen repair? Or did it just happen? It seems to be an LCD cable being disconnected if the screen is just black and the phone still functions.