SM-T561 SPD Based tablet needed root

Code:

[ 01.03.2016 17:00:00 ] Operation: Read EFS
[ 01.03.2016 17:00:00 ] Selected model: SM-T561
[ 01.03.2016 17:00:00 ] Software version: 24.4
[ 01.03.2016 17:00:00 ]
[ 01.03.2016 17:00:00 ] Waiting ADB device...
[ 01.03.2016 17:00:00 ] Please, allow USB debugging on phone... OK
[ 01.03.2016 17:00:00 ] Reading phone info...
[ 01.03.2016 17:00:00 ] Model: SM-T561
[ 01.03.2016 17:00:00 ] Android version: 4.4.4
[ 01.03.2016 17:00:00 ] Product code: SM-T561NZWAITV
[ 01.03.2016 17:00:00 ] Phone version: T561XXU0APB1
[ 01.03.2016 17:00:00 ] PDA version: T561XXU0APA2
[ 01.03.2016 17:00:00 ] CSC version: T561OJV0AOK2
[ 01.03.2016 17:00:00 ] CSC country code: UAE
[ 01.03.2016 17:00:00 ] CSC sales code: XSG
[ 01.03.2016 17:00:00 ] HW version: MP 0.400
[ 01.03.2016 17:00:00 ] Phone S/N: R52H103SNHX
[ 01.03.2016 17:00:00 ] Modem board: SC7730SE
[ 01.03.2016 17:00:00 ] RF cal date: 20160115
[ 01.03.2016 17:00:00 ] IMEI:
[ 01.03.2016 17:00:00 ] Checking Super user right... false
[ 01.03.2016 17:00:00 ] This model not supported for auto root


im using Software version: 24.4 spd why needed root. last update says without root ?