There does not exists an option in display to change the refresh rate to 90hz, only 120 and 60, but in information apps it says that my device has support for it, i searched for workarounds for this and it changes the refresh rate to 90hz, but the screen shows a rare greenish blue layer on the top of the screen, and acting like a CRT screen destroying my eyes
1- Normal brightness and 90hz
2& 3- Low Brightness and 90hz
1- Normal brightness and 90hz
2& 3- Low Brightness and 90hz