https://drive.google.com/file/d/1Lsv3ZZUWbzXmbgNObG4PhxK8LeH3Z7gn/view?usp=drivesdkThere you go.Download it and open in your My Files app. It should suggest opening with Routines, accept it and it will open the routine. You need to import it (button...

While still on 6.1, I made a routine that manually switches network mode to 2G only. After update to OneUI 7, the routind still works. I shared it with my wife's S21 Ultra and it works there too. Let me know if you want me to share it here, somehow.....