how to root q mobile s 4 plz. help marshellow 6.0

Brand: QMobile
Device: QMobile_S4
Manufacturer: QMobile
Hardware: mt6580
Model: S4
Time: 1458312209165
Carrier name: Ufone
OSVersion: 3.18.19
Product: QMobile_S4
SDKVersion: 23
VersionIncremental: 1464911657
Audio source: Voice Communication
Audio format: AMR
Version: Free 5.20 (103)
Saved size: 0
Delay call in: 500
Delay call out: 1000:rolleyes:

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