مشکل در سیم800l

[meysamam]

تصیویر خیلی بی کیفیت هست

[rahmankhoshabi]

متن نوشته هم اینهاست؟
Checking registration status...

AT+CREG?

+CREG: 0,0

OK
The device is not registered and is currently NOT searching for a new operator to which to register.

Cannot make voice call without device being registered