Firmware Hero
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Button Map KUAL extension

A KUAL extension that exposes options in the KUAL GUI menu to enable and disable physical kindle buttons.

  • Add-on
  • Stable
  • Low brick risk

Source code

This project hasn't been claimed by its maintainer yet, so its details come from the community. Is it yours? Claim it

Latest release · 21 Jan 2026v1.0.0

First release after testing all (tequila-keyboard) button enable/disable menu options on a kindle-4-black.

Full Changelog: https://github.com/ogallagher/kbuttonmap/commits/v1.0.0

Before you start

How hard is it?
EasyCopy a file or use a web page. No extra software.
What you need
  • A USB or MIDI cable
  • Comfort with the command line
  • A computer
  • Another hack installed first
Can it break my device?
Very unlikely to break anything.
Can I undo it?
The project doesn't say. Assume you can't.
Get itOpens github.com

Did it work for you?

Did Button Map KUAL extension v1.0.0 work on your Amazon Kindle 4?

No reports yet for v1.0.0.

One-tap reports from owners. Bricked reports are checked before they count.

Compatibility

Devices: Amazon Kindle 4.

No compatibility information yet.

Getting started

From the project's README ("Install"):

  1. Access the kindle /mnt/us/ exposed filesystem (ex. plug into computer with usb cable). If accessing from a computer file explorer, the mounted kindle volume is actually /mnt/us/ within the kindle OS.
  2. Extract kual-kbuttonmap.tar.gz and place the extracted kual-kbuttonmap/ folder within extensions/.
  3. Eject and disconnect the kindle.

The next time you open KUAL, the new menu options should appear.

Read the full instructions

Risk and recovery

Brick risk
Low
Requires opening the device
No

Releases

VersionNameReleased
v1.0.0—Latest21 January 2026
All releases on GitHub ↗