Here’s a better one for you… My brand new beryl AX has been faultless for days and all of a sudden last night it switched off and acted as though the emmc was corrupt by showing the flashing codes for a faulty unit. After 5 minutes it flashed again, went to white light and works perfectly normal.
But back to your problem… If the device CAN vpn out but cannot otherwise then I would be pointing fingers at a firewall somewhere. Use some network tools and see if you can spot where in the chain it is being terminated…