still I don't have root!
"SU database is corrupted" ?!
You have old Magisk MANAGER (NOT Magisk). Uninstall Magisk Manager app and reflash rom, so it will install new app version.
I have the third option on my cell - Telemach.
Should I flash that MOT CSC? Or maybe SIO?
Try MOT. I also used "NEE" "Nordic Countries unbranded" for some time without problems.
I'm from Slovenia and flashed default csc settings in aroma (UK unbranded I think), but can't get data connection working when I'm in Austria.
If you are on Simobil flash CSC Selection: "VD2", "Vodafone Multi-CSC: SIM"
If you are o...