I guess you may have been tired of the original screensaver of the Kindle Paperwhite for a long time. So why not change it?!

1. How to change Kindle Paperwhite screensaver
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2. I guess you may have been tired of the original screensaver of
the Kindle Paperwhite for a long time. But you can’t replace it
as the device has no any options for customizing screensaver.
Well, this situation may change if you’ve hacked your Kindle
Paperwhite – we can install extra screensaver on a jailbroken
Kindle Paperwhite. You may haven’t got a clue yet. Don’t worry.
Read this article and you’ll learn how to do this job.
Start to try these cool
screensavers!

3. 1. Jailbreak Kindle Paperwhite
Like I mentioned before, only the jailbroken Kindle Paper could
support screensaver customizing. Here we provide you a
professional jailbreak tutorial for the Kindle Paperwhite:
How to jailbreak Kindle Paperwhite

4. 2. Install screensaver hack
Click the links below to get the hack files.
1. kindle-python-0.6.N.zip
2. kindle-linkss-0.12.N.zip
Extract them and get the .bin files. Now connect Kindle Paperwhite
to computer and copy the update_python_0.6.N_install.bin file to
the root directory. Eject your device and update the firmware.

5. After the updating finish, connect Kindle Paperwhite to computer
again and copy the update_linkss_0.12.N_install.bin file to the root
directory. Then do as the previous step – eject the device and
update its firmware again.

6. Now connect your device to computer. You can find there are three
new folders at the root directory of Kindle Paperwhite. Open “linkss”
and you can find a folder called “screensaver”. Just put the
screensaver you’ve mad to this folder and all jobs done. Remember
that the new screensaver must have a dimension of 758*1024. You
can also get more screensaver from this post: 7 Places to Download
Kindle Screensavers.
Source: http://www.epubor.com/how-to-change-kindle-paperwhite-screensaver.html