Symptoms
- Unable to text or make calls
- Error "This app is not allowed for this devices owner"
- Error " Emergency calls only"
Environment
- Moto E4
- GSM Carrier
- Android Messaging app or Republic Anywhere
Resolution
If you get both errors at the same time, Force Reboot your phone and you should be able to text and make calls
Cause
Accidentally switched user on the phone to a guest user