Digital Trends – Mentioned two weeks ago by Amazon officials, the Internet company has started rolling out version 6.2.1 of the Kindle Fire software. Much of the user interface has been tweaked to become more responsive to screen tapping and navigation of content is much more fluid. The Silk browser is also smoother when moving through different Web pages and loading content. The update brings customization to the tablet allowing users to hide items that appear on the carousel as well as the ability to password protect Wi-Fi access. By using a password on the device, tablet owners can prevent other users from purchasing content while browsing movies, books or other media. To update your Kindle manually, connect to a Wi-Fi network and tap the Quick Settings icon in the upper right corner to find the âSyncâ option.Â