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Solved
R6900v2 Failed Firmware Update-Corrupt
I tried updating my R6900v2 Nighthawk from V1.2.0.16 to 1.2.0.24 yesterday. After several failed attempts through NetGenie I tried via the Admin console(routerlogin.net). It again failed repeatedly, ...
In leiu of writing an overly drawn-out post, I had hoped to make it concise and perhaps find someone who has had the same or similar experience with the R6900v2. But, if more detail is called for, then here it is.
Well....going back through the 3 different articles/posts (first, second, third), I redid the last step in the 3rd post a couple times and viola! It eventually took.
So to fix this issue, I did the following. I tried it once to no avail, did a power recycle and did the push on bootup and it worked.
tftp -i 192.168.1.1 put R6900v2-V1.2.0.16_1.0.1.img
> [...] The router at this point does not respond to pings and all
> guides that I've found that recommend usage of Windows' tftp client and
> tfpt2.exe (GUI) do not work.
All of those TFTP recovery schemes involve many details, including
manually configuring the Windows system IP parameters. "do not work" is
far from a useful description of what you did, and what happened when
you did it. Similarly, "all guides that I've found" reveals little
about what you were reading.
https://community.netgear.com/t5/x/x/m-p/1533866#M87578
In leiu of writing an overly drawn-out post, I had hoped to make it concise and perhaps find someone who has had the same or similar experience with the R6900v2. But, if more detail is called for, then here it is.
Well....going back through the 3 different articles/posts (first, second, third), I redid the last step in the 3rd post a couple times and viola! It eventually took.
So to fix this issue, I did the following. I tried it once to no avail, did a power recycle and did the push on bootup and it worked.
tftp -i 192.168.1.1 put R6900v2-V1.2.0.16_1.0.1.img