Originally Posted by dsmid
The problem is that deleting/damaging the update file would trigger redownloading and I'm trying to avoid that.
Maybe an init script purging any update files in user store scheduled to launch when Kindle is shutting down would solve the problem.
for detailed description of OTA updating process for KT/PW and method of disrupting it with minimal, precisely targeted changes so that no update would be never downloaded at all. Maybe you'll find something similar in K4.