Urgent: Mandatory update for select Kindles that needs to be installed before March 22

Own an Amazon Kindle from 2012 or an older model, here's something urgent that needs your attention: you are required to install a software update by March 22, failing which you won't be able to continue using Kindle services on your device.Here's the list of devices require the latest software version:If your device is in the list and you miss the update deadline, you will receive the following