Zero Gap refers to the groundbreaking technology used to create a seamless and smooth metal back integrating multiple antennas without interference from each other.
HTC Flyer firmware over the air (FOTA) update
Your tablet will receive a notification of FOTA update when it is made available. The new software number after the update will be 2.27.707.1. (From the Home Screen on your device go to MENU> Settings> About tablet> Software information> Software number) Update: Application and system enhancement