Yes, I know, 30 Hz does not look good. In fact, it's hard to go back to 60 Hz once you've experienced 120 Hz, but 30 Hz could be useful for emergency power saving. (Though since around 2014, it is 0 Hz when nothing is moving on screen.)
As far as I am aware, no smartphone has a 30 Hz option, only 60 Hz and 120 Hz. How to set the screen refresh rate to 30 Hz for power saving in emergency situations? Is there any tool for this purpose? With root, obviously. No root = no ownership. (Yes, I know, powerbanks exist and I already have one (it even has fast charging), but still.)
As far as I am aware, no smartphone has a 30 Hz option, only 60 Hz and 120 Hz. How to set the screen refresh rate to 30 Hz for power saving in emergency situations? Is there any tool for this purpose? With root, obviously. No root = no ownership. (Yes, I know, powerbanks exist and I already have one (it even has fast charging), but still.)
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