Nosebleed
Unc orders you [penguins] to spell
- hhhhhhhhh
Nosebleed is a jailbreak released on 02/03/2026 by hhhhhhhhh.
Prerequisites
- You will need a PC & Cable
- Be on PW5, PW5SE, KT5 (possibly KOA3, KOA3W32C)
- Firmwares 5.16.4 - 5.18.6
This works on blacklisted Kindles!
Installation Guide
Download the latest Nosebleed release:
Download
This will only work on mass storage Kindles (listed in the prerequisites section.)
Aeroplane mode
Enable Aeroplane mode on your Kindle now to prevent updates.

Extract & Copy
Plug in the Kindle, Extract nosebleed.zip on your PC, and copy all of the files within the innermost folder into your Kindle's root.

Open Browser
Click on the top right menu and open the Browser.

Navigate to Nosebleed's Webpage
Navigate to https://kindlemodding.org/nosb.

Jailbreak!
Press the L on Jeff Bezos' forehead, and Bang!
Application Errors are expected and may be ignored!

Special Thanks To
- Hackerdude for the modified JB script.
- Penguins184: This guide