So my phone fell onto the ground by an accident, the screen broke and I went to a local [not a very trusted] shop to replace the screen. After fixing it and returning home, I found out that my WIFI only works when I am pretty close to the router and that's pissing me off.

Do you think that this might have been due to the fall? or did that shop replace some high copy **** into my phone and stole my original parts? can you please help me?


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