...

• desktop firmware (fota_3.0.7_setup.exe or later) + SMS server

• FOTA WEB (integrated SMS server)

Note:

If you have issue when you are trying to update your firmware, try to format the SD card

FAQ

Q: Did you have any issue with .net during the installation of the configurator?

A: Please check, it will help you to install

https://wiki.teltonika-gps.com/view/.NET_Runtime_for_Desktop_installation