This is the working tutorial for Windows OS. If you use Linux or Mac then Go to this Root Tutorial by Tuxboy
Root your Walton Primo S2 by following steps below.
WALTON PRIMO S2 ROOT TUTORIAL
After so many hard work we have created the Root Tool which will root your phone in a few steps.
Rooting your device will instantly void your warranty. I am not responsible for bricked devices, dead SD cards and make sure you are not drunk before using this
→ Download The Root Boot Script and ADB Driver From given below
→ Extract The Stuff in any folder you want (Desctop Recommended)
→ Connect Your Device in USB Debugging Active & Charging only mode.
→ Instll ADB driver
→ Go to Primo S2 RootBoot folder
→ Click "rootboot.bat"
→ Choose option "1" by typing "1" in the selection
→ Wait Till Device Reboot & Root.
Yes Root is successful if your device rebooted Automatically (So wait for some time)
Remove Chinese SuperSU app & Install English Version
→ Now Install ES File Explorer and Open the app
→ Click On Root by taping menu key
→ Grant root acces by taping on right
→ Set permission manger
→ Now go to in this directory
and delete "Supersu.apk"
→***Reboot your Device***
→ Go to Playstore and Install SuperSu app
Yes you have did the work
Enjoy your Rooted Primo S2
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Walton Primo S2 New Rootboot Script