ZEBRA SECURITY SOLUTION with OTA UPDATES 

ZEBRA LIFEGUARD to provide Security updates: New business revenue as a result of LIFEGUARD security offering.

https://www.zebra.com/us/en/support-downloads/lifeguard-security.html

https://www.zebra.com/us/en/products/software/mobile-computers/lifeguard.html

https://source.android.com/devices/architecture/kernel/android-common