When changing the SIM to an alternative carrier, the APN settings will require updating.
To do this, please follow the below steps. Nb - the port number for LAN access will be 55555 – eg. http://192.168.0.1:55555/
Select System – mobile manager and change Auto APN to OFF.
Next, change Manual APN to ON NB. the Auto APN option will disappear. Change the APN SIM 1 to Do_Not_Use. Click Submit and Save & Apply (top right of screen)
Complete APN details of the new carrier (APN, Username and password). A list all APN settings can be found on our Knowledge Base. Once entered, please click Submit and then Save & Apply (top right of screen).