Following a fail-over, FortiExtender is able to fail back to the preferred SIM card according to user configuration.
To enable SIM switch-back:
FX211E5919000006 (auto-switch) #
config lte setting modem1 auto-switch
set switch-back [by-time | by-timer]
||Switch over to the preferred SIM card/carrier at a specified (UTC) time (in the format of HH:MM).|
Switch over to the preferred SIM/carrier after the given time (from 3600 to 2147483647 seconds).