If you are the owner of one of the kindles listed below, be sure to update its software by tomorrow, or you will loose connectivity.
Kindles 1st Generation (2007)
Kindle 2nd Generation (2008)
Kindle DX 2nd Generation (2009)
Kindle Keyboard 3rd Generation (2010)
Kindle 4th Generation (2011)
Kindle 5th Generation (2012)
Kindle Touch 4th Generation (2011)
Kindle Paperwhite 5th Generation (2012)
For users who did not update their kindles in time, visit the amazon kindle help page to download and manually update your kindle. http://www.amazon.com/gp/help/customer/display.html?nodeId=200529680
If you do not update, you will still be able to connect via wi-fi, however when no wifi is present you will receive the following message.
“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.”