1
C.
Go to “Network > Interface > Link Failover” to enable SIM1 and rise link priority of SIM1.
D.
Click
to configure ICMP ping detection information.
E.
Click “Status > Cellular” to view the status of the cellular connection. If it shows “Connected”, it
means SIM1 has dialed up successfully.
On the other hand, you can check the status of SIM indicator. If it keeps on green light statically, it
means SIM1 has dialed up successfully.