Hello Diana,
Good day. Thank you for your question.
Just to clarify your situation here, may I know if you are referring to performing a soft reboot when there is no cellular connection? If yes, then the answer is no, where the device cannot be configured to soft reboot or cpureset if it does not achieve a cellular connection. The Configurator is not able to indicate if there was a soft reboot, but you may check the reboot status via SMS/GPRS command - fwstats. The command structure will be as follows:
With login and password : <login><space><password><space>fwstats
Without login and password : <space><space>fwstats
If you are sending via GPRS then you may skip the login, password, and <space>.
For a more detailed description on fwstats, please refer here - https://wiki.teltonika-gps.com/view/FMB_fwstats
Hope this helps.
Kind regards.