TP-LINK AC7 V5 BRICKED

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macawcode
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PostPosted: Mon Sep 12, 2022 18:07    Post subject: TP-LINK AC7 V5 BRICKED Reply with quote
Hi.
My TP-LINK AC 1750 is bricked.
There´s no wat to debrick.
It was flashing to OPENWRT to DD-WRT and it Bricked.
I tried to use Tftpd32 but it has no response.
When I push the resset button :
the software changes to 127.0.0 it Send´s some data but nothing else.
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kernel-panic69
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PostPosted: Mon Sep 12, 2022 18:32    Post subject: Reply with quote
Power up with reset button pressed for 3-5 seconds, have your TFTP server set up to serve the appropriate file name on a client device with 192.168.0.66 set as static IP with 192.168.0.1 set as gateway, netmask 24 or 255.255.255.0 and bind tftpd32 / tftpd64 to that IP address in settings with anticipation window of (at least) 1024.

https://openwrt.org/toh/tp-link/archer_c7#installation_or_restore_with_tftp

https://openwrt.org/toh/tp-link/archer_c7#if_tftp_flashing_fails

EDIT: removed erroneous link to A7 recovery due to misreading subject: "TP-LINK AC7 V5 BRICKED" and not paying more attention to the picture in the OP

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Last edited by kernel-panic69 on Tue Sep 13, 2022 15:40; edited 1 time in total
blkt
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PostPosted: Mon Sep 12, 2022 18:41    Post subject: Reply with quote
Archer A7 V5 and C7 V5 are two different routers, and nobody should ever flash directly from OpenWrt to DD-WRT.
No details or any files attempted only bricked and no wat. Select interface in dropdown or configure tftpd manually.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1221395#1221339
Code:
https://static.tp-link.com/2017/201712/20171221/Archer%20C7(US)_V5_170918.zip

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1227268#1227228

Let us not forget complete bullshittery below. Sorry lucky number 7 is what it is and you are now OpenWrt locked.
https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=e6d66375cbbb54e0e82a67030e385a5486273766
macawcode
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PostPosted: Mon Sep 12, 2022 20:01    Post subject: Reply with quote
Nothing Happend.
macawcode
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PostPosted: Mon Sep 12, 2022 20:13    Post subject: Reply with quote
Attached.
Just one led green.
blkt
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PostPosted: Mon Sep 12, 2022 20:48    Post subject: Reply with quote
Your only hope at this point is to tftp back to OpenWrt for now.
dale_gribble39
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PostPosted: Mon Sep 12, 2022 20:54    Post subject: Reply with quote
blkt wrote:
Archer A7 V5 and C7 V5 are two different routers

The A7v5 is a rebrand of the C7v5 and both use the same recovery filename:

https://wikidevi.wi-cat.ru/TP-LINK_Archer_A7_v5.x
https://wiki.dd-wrt.com/wiki/index.php/TP_Link_Archer_A7v5
https://openwrt.org/toh/tp-link/archer_a7_v5 wrote:
Start a TFTP server on the PC with the file ArcherC7v5_tp_recovery.bin located in its root directory.

Archer A7 V5 Recovery Tips
TP-Link Archer A7v5 (US) AC1750


https://wikidevi.wi-cat.ru/TP-LINK_Archer_C7_v5.x
https://wiki.dd-wrt.com/wiki/index.php/TP_Link_Archer_C7
https://openwrt.org/toh/tp-link/archer_c7 wrote:
Code:
sudo mv ArcherC7v5_tp_recovery.bin /srv/tftp/ArcherC7v5_tp_recovery.bin
sudo chown tftp:tftp /srv/tftp/ArcherC7v5_tp_recovery.bin

Click on Browse and point to a location where file ArcherC7v5_tp_recovery.bin is located.

[SOLVED] Archer C7 v5 US - bricked
Archer C7 v5 impossible to revert to stock firmware
Bricked Archer c7v5 while trying to remove DDWRT

All of the information is given on how to recover this device in all links. You have to use the recessed reset button on the back of the router; press in and hold while powering up until the WPS (double circular arrow) LED comes on. Probably more advisable to flash back to the oldest stock firmware rather than trying to flash DD-WRT factory-to-ddwrt.bin file directly, but either option should be possible.

EDIT: re-structured this post and added further information on the applicable C7 v5; the information on the A7 v5 may or may not be applicable and can be disregarded.


Last edited by dale_gribble39 on Tue Sep 13, 2022 20:09; edited 1 time in total
blkt
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PostPosted: Mon Sep 12, 2022 21:05    Post subject: OP Reply with quote
A7v5 has very different flash layout and firmwares despite need to rename file for tftp recovery adds to confusion.
Clearly in the screenshot OP macawcode router model is Archer C7(US) Ver:5.0 so zero need to talk about others.

Anyway, good luck getting (curFw_ver, newFw_ver) == (1.1, 7.0) back to something reasonable, 1.0, 1.1, 1.2 etc.
As I already said, your only hope at this point is to tftp back to OpenWrt for now. Then maybe stock then DD-WRT.


Last edited by blkt on Mon Sep 12, 2022 21:35; edited 1 time in total
dale_gribble39
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PostPosted: Mon Sep 12, 2022 21:34    Post subject: Reply with quote
Confusion is that there are no stock firmware bootlogs for the C7v5 to verify that claim; looks to me that it was just going off the information found on the OpenWRT wiki. Someone can get one of each with stock firmware and hook up serial and set the record straight.
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blkt
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PostPosted: Mon Sep 12, 2022 21:36    Post subject: Reply with quote
Added a line to my previous post. In other words, look at the picture in OP (screenshot, picture, photo, whatever).

Why else would I provide oldest known available C7 V5 firmware and link November 2020 stock firmware lockout?

Same with the link to OpenWrt lucky number 7. If OP flashed an OpenWrt from past year it's 7.0, so tftp OpenWrt.
dale_gribble39
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PostPosted: Tue Sep 13, 2022 21:14    Post subject: Reply with quote
Reworked my initial comment and added content, but forgot Archer C7 v5 Wi-Fi Problems & Revert to stock help thread. There are two threads, one from this forum and one from the OpenWRT forum by "fced" regarding de-bricking this router. As far as the C7 v5 vs the A7 v5 (both EU and US), the flash layouts of the C7 v5 and A7 v5 are different from the C7 v2 - but otherwise the same with a few exceptions for fwup-ptn data - see below. The fwup-ptn data / layout between the C7 v5 and A7v5 -are- different, so "the flash layouts are different" statement is (somewhat) correct. Neither device requires a stripped file for TFTP recovery, however. For the truly masochistic folks, you can do a uboot recovery via serial if you must. Sorry, but felt it necessary post-intervention to clarify some things in this thread, regardless of the consequences.
_________________
"The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep." - Robert Frost

"I am one of the noticeable ones - notice me" - Dale Frances McKenzie Bozzio

<fact>code knows no gender</fact>

This is me, knowing I've ruffled your feathers, and not giving a ****
Some people are still hard-headed.

--------------------------------------
Mac Pro (Mid 2012) - Two 2.4GHz 6-Core Intel Xeon E5645 processors 64GB 1333MHz DDR3 ECC SDRAM OpenSUSE Leap 15.5
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Wed Sep 14, 2022 1:38    Post subject: Reply with quote
I don´t know what´s going on here.
Sometime the software boot and it start´s to install the .bin file
The problem is that it never ends, it pricks.
It never pass the 55%
kernel-panic69
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Joined: 08 May 2018
Posts: 14219
Location: Texas, USA

PostPosted: Wed Sep 14, 2022 3:50    Post subject: Reply with quote
Read what I said earlier, and look at your own screenshot:
kernel-panic69 wrote:
....bind tftpd32 / tftpd64 to that IP address....with anticipation window of (at least) 1024.



Check the box next to "Bind TFTP to this address" and select 192.168.0.66.
Check the box next to "Use anticipation window of" and enter 1024.
It's also advisable to have an unmanaged switch between PC and router,
but not absolutely necessary.

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macawcode
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Joined: 11 Jan 2022
Posts: 34

PostPosted: Thu Sep 15, 2022 23:42    Post subject: Reply with quote
No.
Nothing happens.
With both directions.
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1933

PostPosted: Fri Sep 16, 2022 0:20    Post subject: Reply with quote
Change timeout to 120 seconds; leave the bind to IP address to 192.168.0.66 and anticipation window of 1024.

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