Motorola moto g20 - Fix a problem: Call and SIM issues (Continued); Have signal, but can’t make calls; Phone doesn’t ring or ring loud enough

If you're the owner:
1. Go to Settings > System > Advanced > Multiple users.
Or from quick settings, touch > More settings.
2. Touch the user's name.
3.
Touch .
Add or delete guest
Lend to guest
Create a temporary profile for sharing your phone with someone.
1.
Go to Settings > System > Advanced > Multiple users and turn it on .
2. Touch Add guest.
3. To allow the guest to make calls, switch on Turn on phone calls.
4. Touch the option to switch to guest mode.
5. If you’ve lent your phone to a guest previously, touch Start over to clear the last guest settings, or
touch Yes, continue to keep last guest settings.
End guest session
1.
Go to Settings > System > Advanced > Multiple users. Or from quick settings, touch .
2. Touch Remove guest > Remove.
All data from and apps installed during this session are deleted.
Other settings : System : Users and guests 187