If only one screen turns on after flashing, you have likely installed an incorrect or older baseband variant that doesn't match your physical hardware revision. Reflash the latest official Android 8.1.0 Oreo firmware specific to your regional model. Conclusion
For power users, the "best" firmware is often one that updates the operating system beyond what the manufacturer provided. Because the Go to product viewer dialog for this item. zte axon m z999 firmware best
The Z999 is powered by the Qualcomm Snapdragon 821 chipset. Flashing stock firmware at a low level requires QFIL or a similar Qualcomm tool. If only one screen turns on after flashing,
Copy the unextracted update.zip file to the root directory of a microSD card. Insert the card into your Axon M. Turn off the phone completely. Because the Go to product viewer dialog for this item
Resolving bootloops, freezing, or a totally bricked device.