How to root the S4

[Alex Ranah Minang]

What I have to do to root my phone? Does it make garantee invalid if I root it?
How can I also unblock my phone as is blocked by the mobile operator so I can't use any other operator
Regards

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[charlibob]

There is a whole section on rooting at the bottom of the s4 forum list.

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[Chief G-Hawk]

To add more info. Yes rooting will void your warranty.