here the log and screshot
GBKey 1.48
Model selected : ZTE Skate Pro
Detecting serial port...
Detected : Handset Diagnostic Interface(DFU) (COM4)
Model : TME_P772A21V1.0.0B03
Version : TME_P772A21V1.0.0B08
IMEI : 86699801004XXXX
Connecting...
Connected to server Ok
Checking GBKey...
GBKey Ok
Sending Loader...
Connecting...
Connected to server Ok
Checking GBKey...
GBKey Ok
Model : ZTE Android ZTE Skate Pro
IMEI : 86699801004XXXX
NW Lock : OPEN 10 tries left
NS Lock : OPEN 10 tries left
SP Lock : OPEN 10 tries left
CP Lock : OPEN 10 tries left
SIM Lock : OPEN 10 tries left
Writing info...
Unlocked Ok