Fire OS 3.1 now available for Amazon Kindle Fire HD and Amazon Kindle Fire HDX tablets

… collections for easy reference, and Amazon’s Whispersync technology synchronizes the…, or you can visit www.amazon.com/kindlesoftwareupdates to download and…,” said Peter Larsen, Vice President, Amazon Kindle. “This free, over-the… collections for easy reference, and Amazon’s Whispersync technology synchronizes the…