Phone fault diagnosis

A

AC Question

So i had the screen repaired on my phone as it was scratched recently but since I got it back the brightness had a problem it was like the colours were wrong a lot of the time like the vga cable in a pc was loose.

But after that i dropped the phone it slammed quite hard on the bathroom floor which is tiles. it hasn't smashed but its really hard to do anything with it. Most of the time it goes to a black screen but the lights stay on at the bottom. Occasionally it boots to like a fuzzy screen like an old TV and sometimes if i keep trying it boots up and works. it can connect to wifi and bluetooth but the touch screen is very off.

I will take back to that shop as they can fix for free but is there much hope?
 

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