Code:
Found Applications port COM54
Found Diagnostics port COM52
Found modem : MF920VS
Model : ZTE MF920VI
IMEI : xxxxxxxxxxxxxxx
Firmware : MF920VSV1.0B03
Compile date / time : Mar 10 2017 14:22:10
Chipset : Qualcomm
NAND Flash : H9TA4GG2GDMCPR
SIM Lock status : Locked (Card Lock)
===================================================================
Unlocking, please wait ...
Security data error !
Error code 84
Security data error !
unlock failed !
any solution?