I checked three Kindle Fire tablets of varying ages - including a second-gen Fire - and all had been updated as of Nov. (If they're set to automatically sync, which they should be, the update was probably already downloaded and installed by now.

Step 2: Make sure your Kindles have the latest software updates. To make this feature work, you'll need at least one Kindle that supports the former. Some models can manage Family Library settings, while others can merely access shared content. Step 1: Check Amazon's Family Library compatibility page to see if your device is new enough. Here's how to set up Amazon's Family Library feature to share not only e-books, but also audiobooks, apps and games: Thankfully, with the introduction of a new Kindle software update last week, that all changes - at least for newer models. As a result, it required considerable hoop-jumping just to let, say, your spouse read the same book you'd already purchased. It's a little crazy that Amazon's Kindle e-readers have been part of our culture for seven whole years (almost to the day), yet Amazon has never allowed family members to share their e-books.

How to use a kindle at the library