Hi,

first time button 9 wasn't working well, i had to press it hard to make it work (this happened a few months ago). Now the buttons 9 8 7 6 3 2 and 1 don't work, i have to press really hard to make it work. What should i do?

I modified only the acoustic and the camera drivers.

Someone said it can be faulty software, and someone said it can be dirt or faulty hardware.

try to reflash if that doesnt work take it to reapir

try updating the phone with seus, if that doesn't work it's most likely a hardware problem try using a hoover or something on the keypad i fixed my joystick by hooving it out works 100% now.