bricked wrt1200ac v1 (solved)

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lceron
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Joined: 19 May 2007
Posts: 283
Location: Los Angeles, CA USA

PostPosted: Fri Jan 10, 2020 21:21    Post subject: bricked wrt1200ac v1 (solved) Reply with quote
hello everyone, i bricked my wrt1200ac a while back when i flashed ddwrt to it. the accessing the second partition via on/off power did not work so i gave up and put it away. now i have some time to work with it. can you guys tell if it is recoverable by looking at the following log?

USB3.0 0: Host Mode
Board configuration detected:
mvEthE6171SwitchBasicInit init
Net:
| port | Interface | PHY address |
|--------|-----------|--------------|
| egiga0 | RGMII | 0x01 |
| egiga1 | SGMII | 0x00 |
egiga0 [PRIME], egiga1
auto_recovery_check changes bootcmd: run altnandboot
Hit any key to stop autoboot: 0

NAND read: device 0 offset 0x3200000, size 0x600000
6291456 bytes read: OK
## Booting kernel from Legacy Image at 02000000 ...
Image Name: DD-WRT
Created: 2018-05-07 1:31:30 UTC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2156801 Bytes = 2.1 MiB
Load Address: 00008000
Entry Point: 00008000
Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!
Marvell>>

if it is recoverable, where do i start? please point me in the right direction. thank you.

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e3200 stock <- waiting for support
wrt400n v26 std with modded antennas


Last edited by lceron on Mon Jan 20, 2020 16:51; edited 1 time in total
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blkt
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Joined: 20 Jan 2019
Posts: 2442

PostPosted: Fri Jan 10, 2020 21:41    Post subject: Reply with quote
https://www.amazon.com/Serial-Adapter-Signal-FT232RL-Windows/dp/B07RBKCW3S

You need to interrupt autoboot with a keyboard press to get into u-boot environment then you can serial flash with TFTP.


Last edited by blkt on Fri Jan 10, 2020 22:26; edited 3 times in total
lceron
DD-WRT User


Joined: 19 May 2007
Posts: 283
Location: Los Angeles, CA USA

PostPosted: Fri Jan 10, 2020 21:50    Post subject: Reply with quote
https://www.ebay.com/itm/PL2303HX-USB-to-TTL-RS232-COM-UART-Module-Serial-Cable-Adapter-for-Arduino/264346038890?hash=item3d8c40726a:g:Qg0AAOSwymhc8wuH

i have the one from above. is it enough to work with?

_________________
e3200 stock <- waiting for support
wrt400n v26 std with modded antennas
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 2442

PostPosted: Fri Jan 10, 2020 21:52    Post subject: Reply with quote
Yes as long as the drivers are happy and don't connect the 5v line (red).
lceron
DD-WRT User


Joined: 19 May 2007
Posts: 283
Location: Los Angeles, CA USA

PostPosted: Fri Jan 10, 2020 21:55    Post subject: Reply with quote
thanks, what's next to start the recovery process?
_________________
e3200 stock <- waiting for support
wrt400n v26 std with modded antennas
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 2442

PostPosted: Fri Jan 10, 2020 22:05    Post subject: Reply with quote
https://community.linksys.com/t5/Wireless-Routers/WRT1900AC-bricked-having-trouble-flash-new-firmware/m-p/1012678/highlight/true#M318168

https://putty.org/

https://tftpd32.jounin.net/

Extra stuff:

https://openwrt.org/toh/linksys/wrt_ac_series#serial_flash

http://www.extraputty.com/index.php
lceron
DD-WRT User


Joined: 19 May 2007
Posts: 283
Location: Los Angeles, CA USA

PostPosted: Sun Jan 19, 2020 21:36    Post subject: Reply with quote
good news, i was able to recover my wrt1200ac from nasty bad flash...thanks for all the help and information provided. thanks again.
_________________
e3200 stock <- waiting for support
wrt400n v26 std with modded antennas
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