Could you please check if the same issue occurs with firmware version 7.14.3?
You can download it from the following link: RUT360 Firmware Downloads - Teltonika Networks Wiki
Additionally, when updating to version 7.14, please make sure you followed the instructions outlined here: Important Note About Firmware Update
If you haven’t followed them, during the firmware update process, make sure to untick the “Keep settings” option.
Let me know how it goes!
Best regards,