Has anyone else tried Kingo Root? Used it on my MF3 GS4 and it worked perfectly. Way easier than that sd card method.
Step-by-step guide/video here:
How to Root Your Samsung Galaxy S4 (or Almost Any Other Android Phone) in One Easy Click
Step-by-step guide/video here:
How to Root Your Samsung Galaxy S4 (or Almost Any Other Android Phone) in One Easy Click