Samsung i537 S4 active unlock done

root with geohot tool.
connect with usb

Selected model: I537
Selected port: COM117 SAMSUNG Mobile USB Serial Port
Selected port speed: 115200
Searching ADB device... OK
Reading phone info...
Model: SAMSUNG-SGH-I537
Android version: 4.2.2
Product code: SGH-I537ZAAATT
Phone version: I537UCUAMF3
PDA version: I537UCUAMF3
CSC version: I537ATTAMF3
IMEI: 356554051xxxxxx
Phone S/N: R31D61xxxxx
Checking phone at COM117 OK
Backuping NVM... OK
Checking Super user right... true
Backuping MMCBLK... OK
Writing data to phone... OK
Rebooting phone... OK
Checking phone at COM117 OK
Restoring NVM... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.15.6