Removing the Jailbreak on Kindle

0. Preface

Since I got my Kindle Paperwhite 3 (7th gen), I’ve ran on jailbroken firmware all the time, just to find out that I don’t really use KOReader much and just prefer the simplicity of stock Amazon firmware.

In this guide I’ll show how to remove the jailbreak on my Kindle, running on 5.15.2.1.1 (Winterbreak)

Currently running version

1. Removing the Jailbreak

First up, I’m going to do a clean install on my Kindle by going to

Settings -> 3 dots -> Reset

And say yes, everything will be wiped.

Resetting the kindle

Give it a few moment to completely reset.

1.1: Downloading stock firmware

Now you want to refer to Amazon’s page for links to download the firmware

https://www.amazon.com/gp/help/customer/display.html?nodeId=GKMQC26VQQMM8XSW

In my case I have the Paperwhite (7th gen), choose that from the list and you should have a file starts with update_*

Downloaded firmware

1.2: Update the Kindle to remove the hotfix

  1. Now after your Kindle has completely reset, set it up as usual

  2. Plug the Kindle to the computer, and copy the update file to the root directory

Copying firmware

  1. Eject the kindle

  2. Go to Settings -> 3 dots -> Update your kindle

Give it a few moments and we’re done, the jailbreak is fully removed.

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twilight's home

pwn/web/dfir


2026-02-21