Go to Management or System Tools and select Firmware Upgrade. Click on Check for Updates.
: Native support for IPv4/v6 dual stack , NAT, DHCP, DNS, and L2TP VPN . Hardware Summary Specification CPU 1GHz MIPS-based processor Memory 128MB Flash / 128MB DDR Antennas High-gain internal antennas ( ≥is greater than or equal to Operating System Linux version 3.10.90 Fiberhome SR120-A Smart Router Specs | PDF - Scribd fiberhome sr120-a firmware