March 22 is the date off update Kindle Fire and unfortunately, if you have missed the deadline of an update, then there is nothing to why because Kindle support number +1-800-397-1044 is here to provide proper troubleshooting steps.
When you miss the primary deadline, you can update your device manually for that you need to follow the below steps:
This is how to Update Kindle Fire after you miss the deadline of updation. For more such information, contact us directly or visit the Kindle Fire's live chat section here.
More Info: https://mykindlesupport.com/kindle-update-1/
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