Help htc one m8 fell

[barpop1121]

so now my HTC one m8 fell from my pocket and now my screen is flickering, it doesnt read my simcard and my camera app refuse to open pls tell me if i can fix at least one problem on my own

 

[The_Chief]

Without opening the phone's internals to see what damage is done, I'm not confident you can do anything. It could be a loose cable harness, or it could be a broken motherboard. I recommend professional repair.