Before trying to fix anything, you should check which version you are currently running.

The firmware's boot log often reveals UART baud rate and pinout (e.g., ttyS0 at 0x... ).

Click to see if a new version is available; if found, follow the on-screen prompts.

: Updates generally include bug fixes, security patches, and optimizations for VDSL2 and VoIP services. Manual Update Procedure