Tried proton vpn free servers its doenst work
The same for me on OpenAtv 7.3. On OpenAtv 7.2 (SF8008) it worked flawlessly with the same config files. The error I get is: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2); Tun module is present in kernel but for some reason does not create the dir /dev/net/tun.