For 99% of users, the is the best firmware.
Download the official update.zip package for your specific Z999 variant. zte axon m z999 firmware best
Z999_N_Unlock_B15 Android Version: 7.1.2 Nougat Best for: Daily driving, dual-screen apps, camera reliability For 99% of users, the is the best firmware
: Flashing requires putting the device into Emergency Download (EDL) Mode . While in this mode, the screen remains black, but a red LED often indicates it is ready for a firmware push via a PC. For 99% of users
The final official software version for most regional variants (including AT&T in the US) is Android 8.1 Oreo ZTE Official Website Performance: