hi my awsome viewers and subscribers in todays video im going to show you how to activate the battery power saving mode that will help to save battery life whilst your samsung galaxy s21 ultra's screen resolution is set to the maximum WQHD (3200 x 1440P) & The Refresh Rate Set to The Max 120HZ That will deliver smoother animations & scrolling...
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![](https://i.ytimg.com/vi/qCyS33KlXIs/maxresdefault.jpg)