g925w8 unlock error 7.7.8


Waiting ADB device… OK
Reading phone info…
Model: SM-G925W8
Android version: 5.1.1
Product code: SM-G925WZWABMC
Phone version: G925W8VLU3BOK1
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
CSC country code: Canada
CSC sales code: BMC
HW version: REV0.1
Phone S/N: R58G31QRECB
Modem board: SHANNON333
RF cal date: 20150324
IMEI:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait… error (7.7.8)
Done with Samsung Tool PRO v.23.9