First need root file . you can download from here.
Flash with file and After the flash with this file ……
Select the model in z3x box for unlocking and use the option unlock ..
After the press unlock button , your phone note 8 will be unlocked……
Note: Use latest version of z3x box.
Here is log info of unlocking the SM-N950U
Waiting ADB device……..OK
Reading phone info…….
Android version: 7.1.1
Product code: SM-N950UZVASPR
Phone version: N950USQU1AQH8
PDA version: FA71_N950USQU1AQH8
CSC version: ************
CSC country code:**
CSC sales code: *****
HW version: REV1.0
Phone SN: R2*******
Modem board: MSM8998
Security patch: 2017-07-01
RF cal date: 2017.09.07
Writing AT RIL… OK
Initialization AT RIL… OK
Rebooting phone… OK
Done with Samsung Tool PRO v.29.2
If you face problem during the unlock procedure of Samsung note 8, contact me
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