WRT3200ACM back to stock

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RogueOne
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Joined: 02 Nov 2016
Posts: 8

PostPosted: Tue Nov 08, 2016 3:36    Post subject: Reply with quote
mperin wrote:
ATHF wrote:
This is the one I bought, and it worked out fine, https://www.adafruit.com/products/954


Received the cable and it worked great. Thanks for the recommendation!



My cable also worked great.

Finally did a serial connection flash of stock firmware. Worked perfectly.

I have been testing speed with stock firmware, and always get a great 101 Mbps as expected.
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cguilford
DD-WRT Novice


Joined: 09 Nov 2016
Posts: 11

PostPosted: Sat Nov 12, 2016 23:16    Post subject: Reply with quote
Yes I'm back to stock lol until the bugs are fixed then I will look at going back. I have instructions thanks to an awesome guy that helped me out. If you pm I'll be happy to help.

myersw wrote:
mperin wrote:
ATHF wrote:
This is the one I bought, and it worked out fine, https://www.adafruit.com/products/954


Received the cable and it worked great. Thanks for the recommendation!


@mperin
I would be helpful to others if you posted how you recovered your WRT3200ACM.

--bill
elvisimprsntr
DD-WRT User


Joined: 15 Nov 2008
Posts: 149

PostPosted: Sat Nov 12, 2016 23:45    Post subject: Reply with quote
myersw wrote:
mperin wrote:
ATHF wrote:
This is the one I bought, and it worked out fine, https://www.adafruit.com/products/954


Received the cable and it worked great. Thanks for the recommendation!


@mperin
I would be helpful to others if you posted how you recovered your WRT3200ACM.

--bill


Just completed flashing stock firmware via console interface.

1. USB to TTL Console Cable

USB to TTLSerial Adapter: https://www.adafruit.com/products/954
WRT Adapter: http://www.ebay.com/itm/132070173439
Install drivers: http://prolificusa.com/portfolio/pl2303ta-usb-serial-bridge-controller/ # reboot after install
Install CoolTerm: http://freeware.the-meiers.org/ # recommended in Prolific driver install PDF

2. MacOS Start TFTP

su
launchctl load -F /System/Library/LaunchDaemons/tftp.plist
launchctl start com.apple.tftpd

3. Stock Firmware Image

Download firmware: http://www.linksys.com/us/support-article?articleNum=207552
cd /private/tftpboot/
cp /Users/xxxx/Downloads/FW_WRT3200ACM_X.X.X.XXXXX_prod.img rango.img # default firmware filename for WRT3200ACM. Will be different depending on model and version.

4. WRT3200ACM Wired LAN Connection

Connect Port 1 to existing LAN # not WAN port

5. WRT3200ACM USB to Serial Cable Connection

--________--
| 1 2 3 4 5 6 |
-----------

Pin Color Signal
1 Black Ground
2 White RX
4 Green TX

6. CoolTerm

Port: usbserial
Baudrate: 115200
Connect

Power router
Hit space within 3 seconds when prompted

env print #scroll back to find firmwareName variable you need to rename your firmware image file to. The variable name maybe be slightly different for your router.
setenv ipaddr 192.168.69.200 # modify for your LAN
setenv netmask 255.255.255.0
setenv serverip 192.168.69.30 # modify for your TFTP server
ping 192.168.69.30 # confirm LAN
run flash_pri_image # or flash_alt_image or update_both_images
reset

7. MacOS Stop TFTP

launchctl unload -F /System/Library/LaunchDaemons/tftp.plist

8. Reference Material
YouTube: https://www.youtube.com/watch?v=mN7u79EupGQ
TFTP: http://www.barryodonovan.com/2014/11/08/os-x-built-in-tftp-server
GitHub: https://github.com/Chadster766/McWRT/wiki/Flashing-Firmware-using-a-USB-to-TTL-Cable
U-Boot: http://www.denx.de/wiki/view/DULG/UBoot

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Last edited by elvisimprsntr on Sun Aug 13, 2017 8:06; edited 13 times in total
myersw
DD-WRT Guru


Joined: 13 Jun 2006
Posts: 1609
Location: SE Michigan USA

PostPosted: Sun Nov 13, 2016 0:58    Post subject: Reply with quote
Thanks for posting the a very detailed description of how you recovered your wrt3200acm. Will be helpful to others.
--bill

_________________
Unifi Security Gateway: Unifi Firmware
Netgear r7800: Voxel Firmware
Modem:Netgear CM500V voice and Data.
ISP:Comcast
tutorial for flashing "WRT" series:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=287813
DD-WRT Installation, Upgrade & Basic Setup–Cliff Notes:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117
Kong DD-WRT Config Tutorial:
http://www.instructables.com/id/Install-and-Configure-a-DD-WRT-Kong-Router/
I tried to be normal once. Worst 2 minutes ever.
cguilford
DD-WRT Novice


Joined: 09 Nov 2016
Posts: 11

PostPosted: Mon Nov 14, 2016 14:42    Post subject: Back to stock from Windows Reply with quote
These instructions where provided to me, so use at your own risk, but they work perfectly. It's designed for the WRT1900, but the steps for the wrt3200 are exactly the same. The pinout and location is the same, you only need to remove the front two screws to take the blue face off, no need to remove all 4 screws.
https://github.com/Chadster766/McWRT/wiki/Flashing-Firmware-using-a-USB-to-TTL-Cable


Be sure to check the entire article out for steps and software configuration information for Putty and TFTP. I was up and running in under 30 minutes.

ALSO TTL Cable pinout
Red - 5v
Black - Ground
Green - Tx
White - Rx
mperin
DD-WRT Novice


Joined: 10 Oct 2016
Posts: 10

PostPosted: Thu Nov 17, 2016 17:06    Post subject: Reply with quote
myersw wrote:
Thanks for posting the a very detailed description of how you recovered your wrt3200acm. Will be helpful to others.
--bill


Agreed, thank you! Sorry, I was away for a while and didn't get anything posted. Your instructions are very detailed a much better job then I could have done. Very helpful!
krispenhartung
DD-WRT Novice


Joined: 20 Nov 2016
Posts: 2

PostPosted: Sun Nov 20, 2016 22:15    Post subject: Reply with quote
Any other ways to do this? I am frustrated beyond belief and want to take this WRT3200ACM back, but can't without returning it to factor default. I've spent hours and hours on this this, with a laymen's technical knowledge and ability. My patience is gone. Sad
krispenhartung
DD-WRT Novice


Joined: 20 Nov 2016
Posts: 2

PostPosted: Sun Nov 20, 2016 22:39    Post subject: Reply with quote
So, this won't work? It seem a lot simpler.

https://help.hotspotsystem.com/knowledgebase/remove-uninstall-dd-wrt-or-3rd-party-firmware-and-revert-back-to-the-original-firmware
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7187
Location: Columbus, Ohio

PostPosted: Sun Nov 20, 2016 23:38    Post subject: Reply with quote
krispenhartung wrote:
So, this won't work? It seem a lot simpler.

https://help.hotspotsystem.com/knowledgebase/remove-uninstall-dd-wrt-or-3rd-party-firmware-and-revert-back-to-the-original-firmware


No it won't. You'll find how to do it in this thread. Either do it with a serial cable or wait till someone makes a revert file.
Next time don't flash any custom firmware unless you know how to get back to stock or unbrick your router.

_________________
I am far from a guru, I'm barely a novice.
elvisimprsntr
DD-WRT User


Joined: 15 Nov 2008
Posts: 149

PostPosted: Sun Nov 20, 2016 23:42    Post subject: Reply with quote
krispenhartung wrote:
So, this won't work? It seem a lot simpler.

https://help.hotspotsystem.com/knowledgebase/remove-uninstall-dd-wrt-or-3rd-party-firmware-and-revert-back-to-the-original-firmware


I doubt it will work and you will end up using the USB to TTL serial console method anyway.

Use the method outlined in my previous post. If you run Windoze, you will need to find a TFTP server, and install the appropriate drivers and CoolTerm

If you only flashed DD-WRT once, you might be able to get back to factory by performing the 5 power cycles to switch boot partitions. (power off, power on, wait for power light to come on, immediately turn off, repeat 5 times) If you happen to be successful booting to factory, then simply re-flash the factory image to overwrite DD-WRT boot partition.

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ATHF
DD-WRT Guru


Joined: 14 Dec 2015
Posts: 687
Location: 127.0.0.1

PostPosted: Mon Nov 21, 2016 7:26    Post subject: Reply with quote
So just a heads up I forgot to mention, my Adafruit cable is of course 2.54mm (I forgot about the pitch difference) so I had to get a 2.54 to 2.0mm adapter in case any of you need one:

https://www.amazon.com/gp/product/B00HFZK652/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

And do the opposite of what I did in the photo (it's towards the heatsink not on pin one, for some reason I did it backwards Rolling Eyes )

_________________
Tutorial for flashing WRT series
WRT Installation,Upgrade & Basic Setup–Cliff Notes
DD-WRT Firmware: r40890: WRT3200ACM, WRT1200ACv1, WRT1900ACv1
Velop:3 WHW0101, RE6500, RE9000
TWC/Spectrum - 300/25
SysLog Watcher 5, Security Onion on Virtual Box, Fingboxes, PiHoles
cguilford
DD-WRT Novice


Joined: 09 Nov 2016
Posts: 11

PostPosted: Mon Nov 21, 2016 12:27    Post subject: Jbtek Reply with quote
JBtek® WINDOWS 8 Supported Debug Cable for Raspberry Pi USB Programming USB to TTL Serial Cable https://www.amazon.com/dp/B00QT7LQ88/ref=cm_sw_r_cp_apa_ZFUmyb635RBHE

This is the cable I used, worked perfectly with the information I posted above.
mperin
DD-WRT Novice


Joined: 10 Oct 2016
Posts: 10

PostPosted: Mon Nov 21, 2016 16:33    Post subject: Reply with quote
ATHF wrote:
So just a heads up I forgot to mention, my Adafruit cable is of course 2.54mm (I forgot about the pitch difference) so I had to get a 2.54 to 2.0mm adapter in case any of you need one:

https://www.amazon.com/gp/product/B00HFZK652/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

And do the opposite of what I did in the photo (it's towards the heatsink not on pin one, for some reason I did it backwards Rolling Eyes )


Interesting, I bought the same cable as you, but didn't purchase the adapter and it still worked for me.
ATHF
DD-WRT Guru


Joined: 14 Dec 2015
Posts: 687
Location: 127.0.0.1

PostPosted: Tue Nov 22, 2016 2:14    Post subject: Reply with quote
mperin wrote:


Interesting, I bought the same cable as you, but didn't purchase the adapter and it still worked for me.


They could have changed the cable since I ordered it last year but, yeah I tried it without the adapter and they would just fall off, and I didn't want to chance it.
With the adapter it fits snug and won't come off easy, and the cable I have plugs nice and firmly into the adapter...

_________________
Tutorial for flashing WRT series
WRT Installation,Upgrade & Basic Setup–Cliff Notes
DD-WRT Firmware: r40890: WRT3200ACM, WRT1200ACv1, WRT1900ACv1
Velop:3 WHW0101, RE6500, RE9000
TWC/Spectrum - 300/25
SysLog Watcher 5, Security Onion on Virtual Box, Fingboxes, PiHoles
itrends
DD-WRT Novice


Joined: 22 Nov 2016
Posts: 13

PostPosted: Tue Nov 22, 2016 21:58    Post subject: Reply with quote
Just hit the same problem - no way to revert the 3200acm to stock. Any word from Kong on adapting the previous one to work with the 3200?
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