Forums like PinoyInternet, TechBarrel, and Reddit’s r/InternetPH have threads dedicated to the SR120A 2021 firmware. Users often share .bin files. Risk: These are unverified and may include malware or corrupt images.
A: Yes. The 2021 builds significantly improved IPv6 DHCPv6-PD (Prefix Delegation). However, you must enable it manually under Advanced → IPv6 Setup (set to "Auto" or "DHCPv6").
FiberHome finally patched the infamous "backdoor" debug interfaces in the 2021 firmware. Telnet and SSH access, which were previously left open with predictable passwords, were either disabled by default or locked down to require ISP-level certificates.