Use the zip attached here:
https://www.mobileread.com/forums/sho...4&postcount=23
Extract to the root of your Kindle Drive. There are two items -- A folder called "update", and a file called "Update_oldupdate_install.bin"
Put the desired update, err, "
downdate" into the folder "update".
Update your Kindle manually, from:
Menu ==> Settings ==> Menu ==> Update Your Kindle