Installing DuoKan on a 3.2.1 Kindle 22

This is possible! Long story short a comment on YiFan’s 3.2.1 jailbreak page pointed out how to do it. I won’t fully explain how to do it here, but basically you need to use YiFan’s jailbreak, then install usbNetwork access to get SSH access to your kindle. Once that’s done you can copy DuoKan onto the kindle as usual, and use your SSH access to run the install script. I’m new to the kindle jailbreaking world, but everything I needed to download to make this work was available here. Duokan itself (english version) you can get from the links on flip’s post here.

Some notes (mostly to remind myself so I don’t have to figure it all out again next time, but maybe they will be useful to someone)

Jailbreak seemed to work used someone’s perl script to make it quicker

for the usbNetwork portion, I followed the steps in the usbNetwork README_FIRST.txt, only thing I had to do that wasn’t mentioned was set up a static ip for my computer that was in the same subnet as the IP set up on the kindle.

This didn’t seem to be mentioned anywhere in the readme files, but to disable the usbnetworking and get back to disk mode you have to retype ~usbNetwork in the search box.
Original text of the comment from elale.smth on Yifan’s page for posterity:

If you wanna install Duokan (for Chinese user), you need first install usbnetwork-0.33, and copy DK¿s folders to root of Kindle drive. Then telnet/ssh to kindle via usb or wifi to run the following script on your kindle:sh /mnt/us/DK_System/install/ is just the installation script of Duokan, which cannot be executed by its update bin file, so you need to do it manually. Now you can ¿reboot¿ your kindle to make it work).

22 thoughts on “Installing DuoKan on a 3.2.1 Kindle

  1. Reply well Jun 28, 2011 7:15 pm

    I tried the method but to avail. When kindle restarts the installation begins but it halts with a error screen and returns an error code : 3. Somebody help!

  2. Reply Riccardo Jul 3, 2011 3:49 pm

    Yeeeah!.. Installed correctly English version of Duokan on a Kindle 3, firmware 3.2.1 .
    For the moment it seems all working correctly.
    Thank you very much for your informations :)

  3. Reply help Jul 17, 2011 5:31 pm

    Please post EXACT STEPS you did to ACHIEVE SUCCESS – would be greatly appreciated.


  4. Reply help Jul 17, 2011 7:06 pm

    Great. So I spent 3 hours and despite being able to SSH into the kindle I get stuck at “Server refused the key” and it keeps asking for what the mother$*)($* root password is – and that leaves me stuck. A simple return key is not working as suggested. Fixing the authorized_keys file formatting using Vi didn’t work either. WTF AM I DOING WRONG? How enormously frustrating.

    the formatting stuff:

    I am stuck, and frustrated. HELP please.

  5. Reply csmint Jul 20, 2011 10:12 pm

    Jailbreak. Install usbnetwork.

    press a button to get to a typing prompt on your Kindle. type
    open terminal and telnet or ssh into
    type “sh /mnt/us/DK_System/install/”
    restart. Mine error’d with Error 3 but immediately restarted and after a little bit the Duokan menu came up and pressed q to load it

    Good luck. Thanks for posting this

  6. Reply Herman Sep 29, 2011 7:58 am

    An easier way to do it, at least if the usbnetwork setup scares you, is to install launchpad. All you have to do then is add a duokan.ini file to the launchpad directory containing:

    D K = !/mnt/us/DK_System/install/ &

    Then run “Shift D K” and wait for about 10min — the Duokan site claims the install takes awhile on 3.2.1 and there is no feedback on when the command actually completes since launchpad will just tell you Success! right away, but it’s really still running in the background. So I let it sit for about 10 minutes before rebooting manually.

    After it reboots, you get the Duokan boot menu so just hit Q to load it up. Also, make sure to remove the duokan.ini file so as not to accidentally run the install again, and you’re all done. Took me ages to figure this out after trying nearly everything else, but I finally managed to get it to work. And Duokan is totally worth it, its document reader is much much better than launchpad/fbreader for the formats I’ve tried it on.

  7. Reply Sarunas Oct 4, 2011 1:36 am

    @Herman how to install launchpad in kindle 3 3.2.1? It don’t work or I use wrong install.

  8. Reply tanto Oct 15, 2011 9:52 am

    hey can anyone post the complete steps to install duokan in kindle 3.2.1 ads version? I really get frustrated of trying to install the duokan in my new kindle. please help me

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