Hi ​@Goko,

Thank you for your message. 

We are truly sorry to hear that you are experiencing issues with both incoming and outgoing calls, and we understand how frustrating this must be.

We would be happy to assist and help get this resolved for you. Could you please try the following troubleshooting steps:

Reset your network settings
Restart your phone
If you have a physical SIM, remove it carefully and clean it before reinserting it
If possible, test the SIM in a different device to check if the issue continues

Once you have tried these steps, please let us know the outcome and we will be happy to assist further.

Thanks.