(Solved) D-Link DIR-868L A1 stuck in Recovery Mode

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Kanuki
DD-WRT Novice


Joined: 30 Jan 2012
Posts: 8

PostPosted: Thu Apr 21, 2016 9:08    Post subject: (Solved) D-Link DIR-868L A1 stuck in Recovery Mode Reply with quote
Hi..

I just received my DIR-868L A1 a few days ago.

After I that I flashed it with Shibby's Build 136
and installed entware and transmission.

It was working fine for a while until I made some
script modification and restarted the router then
it can't bootup anymore.

- Power LED flashing Orange
- can ping 192.168.0.1
- Stuck in Recovery Mode
- Tried to Flash every version of stock firmware, DD-WRT, and Shibby
still stuck in Recovery Mode

I think I just corrupted NVRAM

I just ordered USB to TTL Serial Cable.

It's gonna arrive in 1-2 days.

Can you help to guide me to recover the router
using serial port?


Last edited by Kanuki on Sat Apr 23, 2016 6:23; edited 1 time in total
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js1662
DD-WRT Guru


Joined: 23 Jul 2014
Posts: 1237
Location: BC, CA

PostPosted: Thu Apr 21, 2016 9:33    Post subject: Reply with quote
While in recovery mode, have you tried flashing a stock firmware instead of dd-wrt or Shibby?
Kanuki
DD-WRT Novice


Joined: 30 Jan 2012
Posts: 8

PostPosted: Thu Apr 21, 2016 9:58    Post subject: Reply with quote
js1662 wrote:
While in recovery mode, have you tried flashing a stock firmware instead of dd-wrt or Shibby?


Yup..

It accepted the stock firmware then
when it's done. It restarted only for 2 seconds
then come back straight to Recovery Mode.
js1662
DD-WRT Guru


Joined: 23 Jul 2014
Posts: 1237
Location: BC, CA

PostPosted: Fri Apr 22, 2016 7:04    Post subject: Reply with quote
It is too bad that the recovery mode can't fix the problem. All the de-brick information on the Internet for DIR-868L are referring to the recovery mode only. I can't find any information on using the serial ports for de-bricking the router.
Kanuki
DD-WRT Novice


Joined: 30 Jan 2012
Posts: 8

PostPosted: Sat Apr 23, 2016 6:22    Post subject: Reply with quote
js1662 wrote:
It is too bad that the recovery mode can't fix the problem. All the de-brick information on the Internet for DIR-868L are referring to the recovery mode only. I can't find any information on using the serial ports for de-bricking the router.


Thanks..

I managed to solve it by using USB-TTL cable to
issue nvram erase command.

I had struggling with connecting USB-TTL cable to JTAG
a little bit because either Online JTAG connector inside
DIR-868L guide or Cable Guide labeled RT/TX wrongly.
(RX labeled TX and TX labeled as RX -_-").

It's not labeled incorrectly. That's how it is. You connect tx to rx and rx to tx.
Read the serial wiki.
tuxie1409
DD-WRT Novice


Joined: 22 Sep 2016
Posts: 11

PostPosted: Sat Sep 24, 2016 11:53    Post subject: Reply with quote
Kanuki wrote:
js1662 wrote:
It is too bad that the recovery mode can't fix the problem. All the de-brick information on the Internet for DIR-868L are referring to the recovery mode only. I can't find any information on using the serial ports for de-bricking the router.


Thanks..

I managed to solve it by using USB-TTL cable to
issue nvram erase command.

I had struggling with connecting USB-TTL cable to JTAG
a little bit because either Online JTAG connector inside
DIR-868L guide or Cable Guide labeled RT/TX wrongly.
(RX labeled TX and TX labeled as RX -_-").



Hi Kanuki,

I posted my error with video here:

https://www.youtube.com/watch?v=4roRQnAojyU

It seems I have the same error and also has the nvram erase command.

Can you give me detailed instructions how I should proceed?

I ordered this USB TTL cable.

https://www.amazon.de/dp/B008RF73CS/ref=pe_386171_38075861_TE_item

Thank you for your help!
ReinerS
DD-WRT Novice


Joined: 22 Sep 2016
Posts: 35

PostPosted: Sun Sep 25, 2016 10:50    Post subject: Reply with quote
Hi there,

there seems to be a problem with D-Link devices. Some other users and I experienced exactly the same problem with a DIR-880L.

Would be interesting to know, what exactly causes this behavior...
Xentrk
DD-WRT Novice


Joined: 03 Jun 2016
Posts: 45

PostPosted: Sun Sep 25, 2016 13:54    Post subject: Reply with quote
Hi tuxie1409

See what some of us DIR-880L users experienced and how we fixed it. Start here and read the following pages:

http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268579&postdays=0&postorder=asc&start=105
tuxie1409
DD-WRT Novice


Joined: 22 Sep 2016
Posts: 11

PostPosted: Sun Sep 25, 2016 15:05    Post subject: Reply with quote
Xentrk wrote:
Hi tuxie1409

See what some of us DIR-880L users experienced and how we fixed it. Start here and read the following pages:

http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268579&postdays=0&postorder=asc&start=105


thanks !
pitinga
DD-WRT Novice


Joined: 26 May 2017
Posts: 11

PostPosted: Sat May 27, 2017 4:01    Post subject: Serial Reply with quote
Anyone can help to find the TX,RX and GRD pins on the D-Link DIR-868L?
pitinga
DD-WRT Novice


Joined: 26 May 2017
Posts: 11

PostPosted: Sat May 27, 2017 4:04    Post subject: Reply with quote
tuxie1409 wrote:

I ordered this USB TTL cable.


How did you connectec the TTL cable to router?
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