SIM1slot by default. Please insert your SIM card in the
SIM1slot. You can switch the router to use SIM2 slot on the firmware. Go to
Active SIM Card.
gcomto check the SIM card status and registration result.
SIM readyon line 2. If the SIM card is eligible to access the cellular network, you can get the registration result on line 4, which indicates the mobile carrier's name.
SIM ERROR***, like the below example.
max 120 secondsto complete. The registration result will shows
Failed to registerlike the below example.