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Forum Discussion
GuMANai
Aug 12, 2026Aspirant
Trying to Revive old R6400V2
Title: R6400v2 stuck in initial setup loop – web UI and Nighthawk app both fail Hi everyone, I’m trying to bring an older NETGEAR R6400v2 back into service, but I’ve hit a very strange setup proble...
- Aug 13, 2026
Okay I resolved this using the nmrp flash tool. I flashed the initial release firmware using the tool and then organically upgraded to the latest version. it all went smooth. I cant believe I wasted so much time on the TFTP tool when Nmrp tool was so straight forward !! Thank you FURRYe38
GuMANai
Aug 13, 2026Aspirant
Okay I resolved this using the nmrp flash tool. I flashed the initial release firmware using the tool and then organically upgraded to the latest version. it all went smooth. I cant believe I wasted so much time on the TFTP tool when Nmrp tool was so straight forward !! Thank you FURRYe38
FURRYe38
Aug 13, 2026Guru - Experienced User
Glad you got it working. As mentioned if NG stock FW doesn't meet your needs and It's EoL, check out 3rd party FW. Maybe help extend the life of the router.
Enjoy.