Thank you. And to those who read this thread: if you have Magisk installed and you put the same firmware on top, the root is gone, but you need to flash the uninstaller first, and only then install Magisk.
Hello, my telephone is POCO X3 NFC (MIUI 12.0.8 xiaomi.eu)
I can't find where you can change the wallpaper when you call. When you call, the wallpaper is not the same as on my lock screen and desktop.