Kindle Screensavers

I have a Kindle. It’s a great device, it got me back into reading and I now have a bit more and better to do than just browse the same old stuff on the internet on my down time.

One feature that’s really too bad it isn’t included by default is custom screensavers. Luckily, it’s quite easy to bypass this limitation! So here’s quick guide how to do it..

Tried and tested with Kindle 4, Firmware 4.1.0

  • Connect Kindle to computer (USB)
  • Create file at Kindle root called “ENABLE_DIAGS” (no extension)
  • Eject Kindle
  • Go into settings menu, and note your Firmware and Serial ID, if you miss this you can still find them later in the diagnostics menu → device settings
  • Press menu (from settings page), and restart

Now that we are in diagnostics mode…

  • misc individual utilities
  • > utilities
  • > enable USBnet

At this point, your PC should install the appropriate drivers. If not, re-plug the Kindle.

  • Go to your network connections, there should be a new one
  • Give it an IP of 192.168.15.1/24
  • Use PuTTY to connect to 192.168.15.244

Use this tool: http://members.ping.de/~sven/kindle.html to find out your root password /!\ the serial is case-sensitive!

enter the following commands:

mntroot rw
mkdir /mnt/us/screensaver
mount /dev/mmcblk0p1 /mnt/base-mmc
mv /mnt/base-mmc/opt/amazon/screen_saver/600x800 /mnt/base-mmc/opt/amazon/screen_saver/600x800.old
ln -sfn /mnt/us/screensaver /mnt/base-mmc/opt/amazon/screen_saver/600x800
mntroot ro
  • exit the session (type exit, or close the window)
  • On the Kindle, go back to main menu
  • Exit, Reboot or Disable Diags → disable diags
  • Exit, Reboot or Disable Diags → reboot

Your Kindle will now reboot, and when connected it will have a folder called ‘screensaver’.

Notes

  • Images are 600*800
  • There must be a 01N.png (for future firmware updates)
  • Restart after sending new screensavers (otherwise it will blank screen instead of screensaver)

Sources

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