How To Root Tecno W2

Pre-Requisites
1- You need a PC
2- Sp Flash tools
3- Twrp recovery( search Google)
4- 7zip
5- mtk vcom drivers(also search Google)

Let's Begin
: 1st step install the adb,do it right then reboot
2nd step unzip the twrp folder and get to the the end where you will see a scatter file and the recovery image, then minimize 
3rd step open the spflash tools folder then double click on flash_tool
: 4th step click on the choose button in the middle of the three choose buttons you see
5th step locate the folder with the scatter file and twrp
6th step, you will see only the scatter file, double click on it
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The real rooting begins here
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: Click the download button, then put off your phone and remove the battery,
Then connect your phone to the pc
: It will then install twrp
: Once a good sign on the screen of the laptop, unplug the phone
: Then put back the battery of the phone
: Then press and hold the power button and volume up button at the same time till your recovery shows
: Click on the install button on twrp, then locate the SuperSU zip I sent to you, click it and swipe to install, then reboot... 
:You should see the SuperSU icon in your app menu upon reboot