[Q] samsung mega 6.3 will not get root topic

My samsung galaxy will not get root

what is going wrong everything says Succesful

supersu 1.34 succesful
supersu 1.51 succesful
supersu 1.93 succesful

yet I dont get root.

I followed many guides.

what am I doing wrong here

using twrp 2.7.0.0

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