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  1. V

    [R7800] Will no longer save settings after reboot.

    Ok, so that's the Micron one. So far, one R7800 router experiencing the settings loss issue is running the Macronix MX30UF1G18AC variant, and one R7800 without any issues after years of seemingly heavy use is running the Micro MT29F1G08ABBEAH4 variant. Don't worry--I will not be giving a...
  2. V

    [R7800] Will no longer save settings after reboot.

    As I was reading a thread about some flashing issues over on the OpenWRT forums (see https://forum.openwrt.org/t/r7800-flashing-openwrt-causes-bootloop-bad-block-in-kernel-area/49608), and saw a reference to the fact that different brands of NAND flash chips were used in different R7800s. Some...
  3. V

    [R7800] Will no longer save settings after reboot.

    Another note--I will soon be able to contribute another data point about heat as a potential issue. On my new RMA swap R7800 that lasted only two days before exhibiting the loss of settings issue last Thursday, I mentioned that I had let it sit around unplugged for two days, and then on...
  4. V

    [R7800] Will no longer save settings after reboot.

    All, while I have mentioned heat as a particular potential factor, it is all complete speculation on my part. It does seem to offer a rational explanation of why--when a router is struck by this issue--that it seems unfixable immediately at the moment. But if you let it sit...
  5. V

    [R7800] Will no longer save settings after reboot.

    Good question--does this equally affect all R7800s from any time/date range of production? Or does it only affect a particular batch of R7800s? In the latter case, this could be explained, for example, by a batch of slightly less robust NVRAM chips that made it into a finite time/date range of...
  6. V

    [R7800] Will no longer save settings after reboot.

    Very interesting, indeed, right before returning my original R7800 with failed NVRAM in the RMA swap, I decided to try it out one last time. And lo and behold, the darned thing seemed to remember its settings--even after completely shutting it down, unplugging it, etc.!!! So after sitting...
  7. V

    [R7800] Will no longer save settings after reboot.

    My understanding is that this goes beyond backing up or restoring the NVRAM via telnet/ssh, but I could be completely wrong... Here is how I interpret the situation. I am assuming the NVRAM has failed electronically. In this case, either backing it up or restoring it via telnet/ssh will not...
  8. V

    [R7800] Will no longer save settings after reboot.

    Awesome, very cool! My RMA replacement spits back a very late July 2019 date so together with the shrinkwrapped retail packaging and absolutely pristine condition, I conclude it is not a refurb. I have been poking around a bit on my R7800 because I now have some more flextime due to COVID-19...
  9. V

    Impressed by the TP-Link Archer A7

    Thanks, @Val D., for the wisdom! Should be good enough to get by in a pinch of my main router fails. Just lay it out on the line to the family--either no Internet, or slightly slower Internet--they will be happy with the latter!!!
  10. V

    Impressed by the TP-Link Archer A7

    Thanks all, for mentioning this particular caveat about using OpenWRT. For sure, this is a frustrating limitation, but it's the trade-off for openness, and the longevity that OpenWRT might provide for the router after TP-Link puts it out to pasture. I am not sure what the A7 accelerates in...
  11. V

    Impressed by the TP-Link Archer A7

    Ok, I ended up purchasing an Archer A7 as a backup router in the case that my main router goes down. I considered the A9 as suggested by @mikejs11, but there was no OpenWRT support for it at this point so I opted for the A7. On receipt this afternoon, I did not really even play with native...
  12. V

    Custom firmware build for R7800 v. 1.0.2.74.4SF

    Yes, I agree--indeed, I have tried to make that clear from my postings because I don't want folks to half read something, and come to the wrong conclusion. I think it is simply a matter of unfortunate coincidence that several folks have reported this here about the same time.
  13. V

    Custom firmware build for R7800 v. 1.0.2.74.4SF

    This is the same sequence in my case--I had been on 74.1SF successfully for several months, and then last Tuesday is when I experienced the lost settings issue (while running 74.1SF). I did not realize the issue with failed NVRAM immediately, and so I figured it was a good opportunity to...
  14. V

    Custom firmware build for R7800 v. 1.0.2.74.4SF

    Yikes, yikes, yikes, now @Droidrat and @kokishin are reporting lost settings, too?
  15. V

    [R7800] Will no longer save settings after reboot.

    Not even that :( The one-year anniversary date on my original R7800 was the the middle of next month. So with this RMA replacement, they have not extended the warranty a full year--they have just given me the remainder of my original warranty, i.e. less than one month. Thanks for the...
  16. V

    [R7800] Will no longer save settings after reboot.

    Ooops, I had not thought of that... After opening it, it does look completely new to me, but who knows. One thing I note is that this unit+box is has a specific serial number (they match), and I remember reading someplace that refurbs are devoid of serial numbers. But I could be remembering...
  17. V

    [R7800] Will no longer save settings after reboot.

    Wow, I picked the Advance Ground RMA for $16.90 given that direct shipping for a Standard Swap would have been close to that price anyways, and I unexpectedly received my replacement R7800 today. I am also very happy because it is a full retail box in shrinkwrap--not a refurbed white box item.
  18. V

    Impressed by the TP-Link Archer A7

    Ok, thanks for the wisdom--I will check out the the A9 as well.
  19. V

    Impressed by the TP-Link Archer A7

    It seems like OpenWRT is available for the TP-Link Archer A7 (see https://openwrt.org/toh/tp-link/archer_a7), but I am not sure about people's opinions on that. There is also a refurbished version of the A7 available at B&H Photo for just $40 (see...
  20. V

    [R7800] Will no longer save settings after reboot.

    For me, I was running V1.0.2.74.1SF when it happened, and I used the opportunity to upgrade to V1.0.2.74.4SF--so at least in my case it could not be due to V1.0.2.74.4SF. But I feel bad mentioning these things together because some people might not read on, and might take it wrong. But to be...
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