Samsung galaxy S4 M919 unlock done By Samsung Tool v.17.6

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First root with this file

CF-Root Download



http://download.chainfire.eu/328/CF-Root/CF-Auto-Root/CF-Auto-Root-jfltetmo-jfltetmo-sghm919.zip

Selected model: M919
Selected port:
Selected port speed: 115200
Searching ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SGH-M919
Android version: 4.2.2
Product code: SGH-M919ZKATMB
Phone version: M919UVUAMDL
PDA version: M919UVUAMDL
CSC version: M919TMBAMDL
IMEI: 356420057081879
Phone S/N: RV1D73N43DD
Checking Super user right... true
Backuping MMCBLK... OK
Writing data to phone... OK
Rebooting phone... OK
Waiting phone...
Please, allow USB debugging on phone... OK
Bypass MSL... OK
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.17.6


Done with Samsung Tool v.17.6