Sm-g890a help needed

Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G890A
Android version: 7.0
PDA version: G890AUCS7DRA2
CSC version: G890AATT7DRA2
Phone version: G890AUCS7DRA2
Product code: SM2G890AZAAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38G90G9ADW
IMEI: 359356062XXXXXX
HW version: REV0.5
RF cal date: 20150915
Chip name: EXYNOS7420
Modem board: SHANNON333
Security patch: 2018-01-01
Boot Warranty bit: 0
Checking Super user right... false
Root your phone manually and then repeat

Done with Samsung Tool PRO v.33.2