Its easy. Find some stone and throw it at the screen u will see different colors✌️

Kolo azegnebt

Turn ur mobile flash light and point it on your screen if you can see a picture but a very low quality.u have to take it to a technician. Yemikeyer light nger alew

brightnessኡ zero ሁኑ ከሆነ እስኪ Brightnessኡን ጨምረው!?!?☹