Users will be unable to access any Kindle services, unless they update their Amazon Kindle devices by Wednesday, last day is tomorrow, March 22.

Amazon sent emails to user accounts, stating that all Kindle models sold in 2012 and before, need to be updated by installing a critical fix using the device’s wireless connection.

The last date for updating your Kindle devices is March 22, 2016.

Critical Kindle Update

Readers who fail to do so will be unable to access Kindle books from the Cloud, Kindle Store or use any other Kindle services. This means you will not be able to access your cloud library of purchased books and documents.

There is no explanation from Amazon telling us what the critical fix actually fixes.

An urgent notice on the Amazon website says that users whose Kindle devices are not updated by March 22, will receive a connection error message on their device, and must then be manually update their devices.

Your Kindle is unable to connect at this time. Please make sure you are within wireless range and try again. If the problem persists, please restart your Kindle from the menu in settings and try again.

Users who miss the deadline will require a manual update by downloading their respective software versions using a computer and then transferring the software to their Kindle device via a USB connection.

On its website, Amazon gives instructions on how to update all Kindle devices and the different software versions to be used for each generation device.

If you own an old Kindle, you might want to take the easy way out by visiting the Amazon website and updating your Kindle device, to avoid the trouble of doing it manually.