Musically blurry on samsung

[Android Central Question]

My muscially camera used to be clear and not grainy or blurry but a couple weeks ago its just started blurry i cleaned my camera restarted my phone and uninstalled and reinstalled musically...nothing seems to work and my normal phone camera isn't blurry but when i try to take a musically it all comes out grainy and just looks really bad i really need this fixed pls help