: Go to Settings > Security and toggle on "Install from Unknown Sources."

: Set unique refresh rates for different applications automatically. How to Install Refresh Rate Changer 30

: Locate a verified link for the RC Modz version.

: Manually downclock to 30Hz or 48Hz during video playback to extend battery life.

: Tap the downloaded file and follow the on-screen prompts.

: The app will require "Display over other apps" and "Modify system settings" to function.