Android 4.4 Kitkat is now available for most Android tablets, but if you have an older model or want to update to the latest version, there are a few things you need to do first. Here’s how to update your tablet to Kitkat:

  1. Go to Settings on your tablet and select “About Tablet.” If your tablet is already running Android 4.4 Kitkat, it will say so at the top of the About Tablet screen.
  2. Tap “Build Number” seven times until it says “You are now a developer.”
  3. Return to the Settings screen and select “Developer Options.” Enable “USB Debugging” and tap “OK” on the warning message that appears.
  4. Connect your tablet to your computer using a USB cable. The computer will ask if you want to allow USB debugging access; allow it access by tapping “Yes.”
  5. Open a command prompt (Windows) or terminal (Mac) window on your computer and type adb reboot bootloader . This will restart your tablet’s bootloader, which will allow you to use commands that are specific to developing Android apps. If you don’t have a command prompt or terminal window open, you can open one by going into Accessories > Command Prompt > Terminal on Windows or Finder > Applications > Utilities > Terminal on Mac OS X 10 Yosemite or later.)
  6. Type fastboot oem get_identifier_token . This will return a string of characters that looks like this: {4d36e968-e325-11ce-bfc1-08002be10318} . Copy this string of characters and paste it into the command prompt or terminal window that you opened in step 5. The token should be at the end of the string of characters that Fastboot returned when you typed fastboot oem get_identifier_token . If it isn’t, Fastboot may not have been able to find your tablet’s ..