Z170 can't unlock

[karimgsm]

can't unlock Z170 have this message(Connecting to phone...
ERROR - Can't connect to phone!) drivers are correctly instaled:confused: and i choose other comport but the same problem

[summer_20xx]

can't unlock Z170 have this message(Connecting to phone...
ERROR - Can't connect to phone!) drivers are correctly instaled:confused: and i choose other comport but the same problem

Just check your cable , cause i have just unlocked one with the first try :)

[aErOm]

screenshot please !!!

thanks