If you happen to own a ZTE Axon or Axon Pro but have yet to receive any update notification on your device, then you should be bumped with one in the next few days.
Sad to say this update will not be going to upgrade your current Android version but it do bring along some critical security patches for your device. Other than that, will also be coming with several other enhancements which include the Qualcomm modem patch, new settings for the MetroPCS, as well as a quick launch feature for the camera.
Do share with us more about this update once you have it on your device!