sim1 not allowed

[msam31]

Why sim1 not allowed message came   no incoming and outgoing calls .

Before this was facing in wifi network issue.

[AJ11111]

Which model? I try to remove & reinsert & check. Check in another mobile if same issue persists.

[cs-member13]

Dear Samsung Member,
   
Greetings from Samsung Customer Support!  
 
We acknowledge your query and apologize for the same. To resolve your device network issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-optimise-network-...

In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung. 
  
Warm Regards,  
Samsung Customer Support