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Jay2x's avatar
Jay2x
Aspirant
Jun 24, 2019
Solved

R7000 bricked during update cannot recover.

I recently tried to upgrade the firmware and power went off. My router is responsive coz I followed https://kb.netgear.com/27477/How-to-resolve-amber-LEDs-or-a-blinking-power-LED-on-NETGEAR-routers ...
  • antinode's avatar
    antinode
    Jun 24, 2019

    > 15613922886085217141556636394889.jpg

     

       First, find out how to do copy+paste from a Command Prompt window, or
    else how to do a screen grab on Windows.  Your photo cropped off the
    useful part of the file name.

     

    > [...] But after it says "transfer successful: 224 bytes in second(s),
    > 224 bytes/s" nothing happens to the router it just keeps power blinking
    > led.

     

       What I see is, "Transfer successful: 224 bytes in 1 second(s), 224
    bytes/s".  But you were close.

     

       To me, that looks like the TFTP scheme is working, but 224 bytes is
    not even close to the size of a firmware image file.  For a popular
    recent version, for example:

     

    pro3$ unzip -l R7000-V1.0.9.42_10.2.44.zip
    Archive:  R7000-V1.0.9.42_10.2.44.zip
      Length      Date    Time    Name
    ---------  ---------- -----   ----
     32268346  09-10-2018 13:31   R7000-V1.0.9.42_10.2.44.chk
         3121  10-01-2018 12:26   R7000-V1.0.9.42_10.2.44_Release_Notes.html
    ---------                     -------
     32271467                     2 files

       So, a typical correct file ("R7000-V1.0.9.42_10.2.44.chk") has a size
    of roughly 32MB (not 0.2KB).  I don't know what you sent to the router,
    but it seems to have been some small, wrong thing, not the appropriate
    ".chk" file.


    > This is the version that I'm trying to reinstall,
    > R7000-V1.0.8.34_1.2.15 [...]

     

       Why?

     

    > [...] I'm not sure if it can revert to any old firmware. [...]

     

       I'd expect loading any version to be possible, if you can load some
    version.

     

    > [...] I really feel that this is a trash unit, [...]

     

       Perhaps, but so far there's little evidence that you're trying to
    push a real firmware image file at it.