The updates are being delivered over-the-air and may take up to a few days to appear on your device. All three devices are getting the November Android security patch. The ZTE Maven 1 software build number is Z812V1.0.0B27 and it weighs around 35MB. Users will also get the fix for KRACK Wi-Fi vulnerability in this update.
The ZTE Maven 2 gets only the security patch, nothing else. The update build number is Z831V1.0.0B31 and it weighs about 19MB. Finally, the Samsung Galaxy Note 5 gets important fixes for the BlueBorne and KRACK Wi-Fi vulnerabilities. You also get support for new Mobile Hotspot APN. The build number for the Note 5 is NRD90M.N920AUCU4EQK6 and the update comes in at around 400 to 441MB.