root xong unlock lượm lúa

Selected model: I537
Selected port: COM54 SAMSUNG Mobile USB Serial Port
Selected port speed: 115200
Searching ADB device...
Please, allow USB debugging on phone... 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: 356554051406557
Phone S/N: R31D615N87R
Checking phone at COM54 OK
Backuping NVM... OK
Checking Super user right... true
Backuping MMCBLK... OK
Writing data to phone... OK
Rebooting phone... OK
Checking phone at COM54 OK
Restoring NVM... OK
Reseting... OK
Unlock done
Done with Samsung Tool v.16.0