j727A unlock failed coz root

hello team

need root for this device, if anyone have to unlock

Waiting ADB device... OK
Reading phone info...
Model: SM-J727U
Android version: 7.0
Product code: SM2J727TZDAXAA
Phone version: J727UUES2AQL1
PDA version: J727UUES2AQL1
CSC version: J727UOYM2AQL1
CSC country code: USA
CSC sales code: XAA
HW version: REV0.7
Phone SN:
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2017-12-01
RF cal date: 20170606
IMEI: 35562008=
Checking Super user right... false
Root your phone manually and then repeat

Done with Samsung Tool PRO v.31.0