: Manually downclock to 30Hz or 48Hz during video playback to extend battery life.
The static pulsed, turning into vertical green lines. The phone vibrated once, twice, then let out a high-pitched whine from the speaker. refresh rate changer 30 by rc modz apk google link
is a popular utility tool developed by RC Modz , specifically designed to help Android users bypass system limitations on their display's refresh rate. : Manually downclock to 30Hz or 48Hz during