Here is how to set up scheduled auto restart on Samsung Galaxy S21, S20, S10, Note 20, 10, A-series and similar devices with One UI 3.1, 3.0, 2.5 skin.
Every Piece of Tech Needs a Restart
The longer Android runs without rebooting, the greater the likelihood of glitches and crashes. This is not about a particular phone model, this applies to any operating system.
We restart Windows computers, laptops, and Android is no exception in this regard. How often the Android operating system starts to glitch, depends not only on it itself, but it depends on what applications are installed on the phone or tablet and how many of them.