To edit a FortiExtender:
1. Go to Device Manager > All FortiExtender .
2. Select the FortiExtender from the list, right-click, and select Edit in the menu. The Edit FortiExtender page is displayed.
Edit FortiExtender page

3. Configure the following settings:
Modem Settings Configure the dial mode, redial limit, and quota limit.
PPP Authentication Configure the user name, password, and authentication protocol.
General Configure the usage cycle reset day, AT dial script, modem password, and the allow network initiated updates to modem setting.
GSM / LTE Configure the access point name (APN), SIM PIN, and LTE multiple mode.
CDMA Configure the NAI, AAA shared secret, HA shared secret, primary HA, secondary HA, AAA SPI, and HA SPI.
Working with device groups
4. Select OK to save the setting.
Working with device groups
Device groups can be added, deleted, and edited as required to assist you in organized your managed devices.