Pelease Help! Root galaxy j100 mu

Hi! I want to Know if someone can help me, i want to root my galaxy j1 , i tried to root with farma root kingo root towelroot iRoot and nothing work, and i try flashing my Phone with a rootable firmware from z3xteam then root it with the espesific file and nothing happens, iRoot says my Phone is Rooted but no...

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