How can i unlock zte n9560

Connecting;
Check your phone and "Always allow from this computer" and select "OK".
Connected;
BRAND: ZTE
MODEL: N9560
ANDROID: v7.1.1
CPU: QCOM
IMEI: NA
KERNEL: Linux version 3.18.31-perf-g5f7346a (xyb@newsuper10) (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Nov 10 17:37:09 CST 2017
ERROR: Unknown/unsupported brand !

Log file saved to: LOG_15_01_2019_13_04_13.txt

Time needed - 00:00:03