Part of the screen not responding to touch

As the title says part of my screen is not responding anymore and to make matters worse the part not responding is right on the home and recents keys

I tried:

• flashing another firmware

• deleting everything even the software

• flashing another rom

I know that i can use xposed and change the dpi or assign an alternative hardware button.

So my question is: Can i fix it without mendling with the hardware of my phone and without spending any money on a new screen?
Because when i try to press the button, it doesnt responds, it shows the touch feedback exactly above the button but when i try to open the camera from the lockscreen it opens without a problem

PS: I didnt drop it and I dont have warranty since I have the phone for 2 years now

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