Help flashed Asus FW to R8000, now bricked

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Galactus
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PostPosted: Mon Feb 24, 2020 13:57    Post subject: Reply with quote
Scrap that! The Nand press-on adapter for for the programmer cost more than the router. BGA-63 VBM063 (11x9mm) - Supports NAND devices
$125.00

Time to sadly give up.
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kernel-panic69
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PostPosted: Mon Feb 24, 2020 14:13    Post subject: Reply with quote
You could always charge to fix R8000s that fall into this trap in the future and recover your cost. It's an idea Wink
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foz111
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PostPosted: Mon Feb 24, 2020 18:21    Post subject: Reply with quote
Has this happened because Asus introduced something in FW to check it's Asus hardware?
tasman_shn
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PostPosted: Fri Nov 05, 2021 16:17    Post subject: Reply with quote
Galactus wrote:
Cheers for the feedback Alozaros, problem I've got is tftp is toast. I get a network link light but no ping.

Tried a network sniffer so nothing seems to be responding on the ethernet interfaces.

I'm facing the exact same issue as the thread starter.

Basically from bad advice from a reddit thread which I linked earlier in this thread. I installed what I thought was an updated netgear r8000 AC3200 which turned out to be an ASUS RT-AC3200 firmware.
My own very stupid mistake.

So although it boots and I can see CFE loading in Xterm, I cant break into it with CTRL-C so having to take the drastic option as I'm getting Waiting for wps button release... which I guess has caused GPIO to reroute for the WLAN button.

Holding downing any and all button sequences (Reset, WLAN, WPS) doesnt halt the CFE boot.



CFE version 7.14.43.40 (r527781) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: Fri Aug 11 08:07:07 CST 2017 (defjovi@ubuntu-eva01)
Copyright (C) 2000-2008 Broadcom Corporation.

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 400 MHz
Info: DDR frequency set from clkfreq=1000,*800*
Warning: invalid DDR setting of 800 MHz ignored. DDR frequency will be set to 400 MHz.
CPU type 0x0: 1000MHz
Tot mem: 262144 KBytes

CFE mem: 0x00F00000 - 0x017A7270 (9073264)
Data: 0x00F4F834 - 0x00F4FD74 (1344)
BSS: 0x00F4FD80 - 0x00FA5270 (349424)
Heap: 0x00FA5270 - 0x017A5270 (8388608)
Stack: 0x017A5270 - 0x017A7270 (8192)
Text: 0x00F00000 - 0x00F45D7C (286076)

Committing NVRAM...done
Waiting for wps button release...

Hi, My Router R8000 also bricked after flashed ASUS RT-AC3200 firmware. Power led red blinked

Any suggestion for fixed this issue ?
tasman_shn
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PostPosted: Fri Nov 05, 2021 16:26    Post subject: Reply with quote
any one know how to change boot priority from NAND to SPI ?

I get some picture to change PHICOMM K3 boot from NAND to SPI



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tasman_shn
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PostPosted: Fri Nov 05, 2021 16:28    Post subject: Reply with quote
Next PIC


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kernel-panic69
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PostPosted: Fri Nov 05, 2021 17:27    Post subject: Reply with quote
Was this a result of what the OP did, using a non-Netgear CFE and using AsusWRT-Merlin? DD-WRT is not Merlin... so, it would make sense to restore the stock Netgear CFE or modify the Asus CFE to make it an R8000 again and not an RT-AC3200. Re-reading through this thread again, I'm having a moment of clarity on things I completely overlooked before.
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tedm
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PostPosted: Sat Nov 06, 2021 17:06    Post subject: Reply with quote
kernel-panic69 wrote:
Was this a result of what the OP did, using a non-Netgear CFE and using AsusWRT-Merlin? DD-WRT is not Merlin... so, it would make sense to restore the stock Netgear CFE or modify the Asus CFE to make it an R8000 again and not an RT-AC3200. Re-reading through this thread again, I'm having a moment of clarity on things I completely overlooked before.


deslath gave the answer when he said:

"Or you can search r8000 led which connect to gpio 7 and pull up to 3.3v leading wps button deactivate."

disconnect the LED and pull gpio 7 up to + 3.3 before the CFE gets to the button check. Then at the CFE prompt flash the correct CFE - one of the later posters attached it - and start over with the stock firmware. Or, recompile the CFE to use the correct gpio. Then you get a Netgear bastard running modified-ASUS firmware.

Or best yet, allow sleeping dog to lie and don't resurrect old threads?
kernel-panic69
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PostPosted: Sat Nov 06, 2021 17:26    Post subject: Reply with quote
Now, translate the rest of that post from deslatha for us, please, oh wise one. I had meant to clean this thread up a while back. But here we are, with one of several mucked up threads. Ho-hum.

tedm wrote:
Or best yet, allow sleeping dog to lie and don't resurrect old threads?

I didn't resurrect this thread, thanks.

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reipet
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PostPosted: Thu Nov 18, 2021 3:22    Post subject: Reply with quote
Hi all,

This is bit off-topic but I could find any information on this.

I have the R8000 with ASUS Merlin Koolshare on it but would like to go back to Stock FW and then to DD-WRT.
Im not clear on the process to go back stock and I dont want to risk bricking it.
Can somebody point me to the right Instruction for this please?
The Instruction on the Netgear Website using TFTP would be valid for this?
Since I have no Problems booting up the Router there could be an "easier" way?

Thanks alot in advance.
kernel-panic69
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PostPosted: Thu Nov 18, 2021 4:59    Post subject: Reply with quote
I couldn't really find much info on reverting to stock, but my guess is you may have to either TFTP back to stock or (better yet) flash it back to stock with nmrpflash. Since the Koolshare site is gone, I have no idea if there is a modified CFE (bootloader) involved, and that may result in issues. If the CFE is replaced to flash Koolshare, then it has to be reverted back to stock CFE if the CFE is not replaced with the stock bootloader via TFTP or nmrpflash.

https://www.reddit.com/r/HomeNetworking/comments/7yryoi/nighthawk_x6_r8000_flash_to_asuswrtmerlin/durptzj/

https://www.myopenrouter.com/forum/asus-merlin-koolshare-r8000

https://community.netgear.com/t5/Nighthawk-WiFi-Routers/R8000-Revert-firmware-from-Merlin-Vortex-to-stock/td-p/1768071

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reipet
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PostPosted: Thu Nov 18, 2021 5:11    Post subject: Reply with quote
THX,

I thought this might be easier.

Koolshare download page is still existing seems. Last update was in July 2021:
https://fw.koolcenter.com

https://fw.koolcenter.com/Koolshare_Merlin_Legacy_380/Netgear/R8000/Merlin%20to%20OFW/

There is a file from there side to revert back to stock but without guarantee and it doesnt say anything if CFE was replaced or not.

Do you think its better to use their Firmware or nmrpflash instead?
In case its fails to use their File there is still the option to use nmrpflash then afterwards?
kernel-panic69
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PostPosted: Thu Nov 18, 2021 17:17    Post subject: Reply with quote
I didn't seem to find those pages last night. I would try their back-to-ofw file first; not sure if it is flashed from the webUI or not. Normally, any ported Merlin firmware replaced the CFE so you have the mini CFE webserver to recover the device. You will find out real quick if you cannot flash anything from stock firmware. Does your R8000 specifically identify as an R8000 in Koolshare, or does it identify as an RT-AC3200? That is going to be a key factor here because at some point, you will have to revert to the Netgear R8000 CFE or properly modify the CFE to re-identify as an R8000. XWRT-Vortex has always had this issue with the R7000.
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reipet
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PostPosted: Fri Nov 19, 2021 0:37    Post subject: Reply with quote
Hi, everything on the Router says R8000, not RT-AC3200.

If I use nmrpflash with the File provided by Koolshare is should change back the CFE in case it was modified?
Is there any way to find it out before it start this?
Or using the original Netgear FW with nmrpflash would restore the CFE as well?

I didnt find and information on how to restore CFE on this Router.

I found the Koolshare website has some Community as well...lets see how far my Chinese will bring me...
kernel-panic69
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PostPosted: Fri Nov 19, 2021 2:01    Post subject: Reply with quote
I honestly have never used Koolshare or XWRT-Vortex, so I am not 100% sure of specifics; perhaps their community can assist you further. AFAIK, though, the back-to-ofw file should be able to be flashed from the webUI. I have never seen any Broadcom firmware image magically replace the bootloader via TFTP or other methods, though.
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