After Installing this update your device will be restored to factory defaults, please backup your data.
You can downgrade from 220.127.116.11 and earlier version to 18.104.22.168.
From 22.214.171.124 you can upgrade to 126.96.36.199.
Put roolback file into the Internal storage folder of your Kindle.
Swipe down from the top of the screen to open Quick Settings, and then tap Settings. Tap Device, and then tap System Updates. Tap Update.
If Kindle do not find update try to do this with wifi off.
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