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Kindle Modding Wiki

BabelBreak

LanguageBreak is jailbreak utilising a novel langpicker-nativebridge exploit.

Prerequisites

  • Please check that your Kindle is compatible with LanguageBreak
  • You will also need a PC

LanguageBreak will NOT work on firmwares newer than 5.16.2.1.1

Jailbreaking Your Kindle

Downloading prerequisites

  1. Download LanguageBreak from here
  2. Extract the tar.gz file to somewhere safe on your computer

Entering demo mode

Initial setup

  1. Factory reset your Kindle
  2. On the language selection screen, select any language
  3. Skip Wi-Fi registration by selecting any network and then backing out
  4. Type ;enter_demo into the Kindle’s searchbar an click enter
  5. Reboot the Kindle by holding down the button and selecting the reboot option when it appears
  6. The device should now boot into demo mode, if it doesn’t, check the Troubleshooting section
  7. Skip WiFi setup and enter fake information when prompted
  8. Skip searching for a demo payload
  9. Select the standard demo type
  10. Press Done at the “sideload content” prompt
  11. Once that is done, you can byass the misconfiguration error using the following gesture: gesture (tap with two fingers, then swipe left)
  12. In the searchbar, type ;demo and click enter
  13. Select the “sideload content” option

Sideloading the content

  1. Connect the Kindle to your PC
  2. Copy the contents of the LanguageBreak folder to the Kindle - merging and replacing all files
  3. Eject and Unplug your kindle and go back to the demo menu
  4. Select the “Resell Device” option
  5. Choose Yes/Resell
  6. Now wait for the press power button message to show
  7. As soon as it appears plug your kindle back to your computer and copy the contents of the LanguageBreak folder into it once again, overwrite files then safely eject
  8. Hold the power button as instructed on screen
  9. You should be in a language selection menu in a few seconds
  10. Choose Chinese (The second-last one on the right list, above p s e u d o t)
  11. Your kindle should reboot and you should see some log message on the screen
  12. The device is now in a jailbroken state

You are now ready to check the Post Jailbreak section for what to do now.

Troubleshooting

If you had any issue with the above steps…

Alternative Demo Mode entry method

  1. Plug the Kindle into your PC
  2. Create an empty file named DONT_CHECK_BATTERY at the root of your Kindle
  3. Activate demo mode by typing ;demo into the search bar and clicking enter
  4. Continue from step 5 of Initial setup

Resetting whilst in Demo Mode

If you need to reset your device whilst in demo mode

  1. Enter ;uzb in the search bar and click enter
  2. Plug the Kindle into your PC
  3. Create an empty file at the root of the Kindle called DO_FACTORY_RESTORE
  4. Reboot the Kindle

Secret Gesture Video

this video shows how to perform the misconfiguration bypass gesture

Credits