How to Root Vivo Y31L-
here is the step by step guide to root vivo Y31L just follow it.
What we Need-
adb and fastboot drive Desktop User Here


Lets Start-
1.download all files from above and extract,
2.connect device and run adb driver installer to install correct adb and fastboot driver.
3.go to adb folder and open cmd here {right+shift key}.
4.type-adb reboot bootloader and hit enter
5.type-fastboot oem unlock and hit enter
6.see your device a notification is appear on screen give a warning about oem unlock press volume up button.
7.type fastboot reboot and hit enter.


8.download root tools from here
9.Now enable USB Debugging.
10.Connect your vivo to your computer via USB cable. Make sure the connection is stable. Do not touch or unplug the cable until the instructions say so.
[If you have already installed the drivers on your PC, skip to the next step]


11.After connecting to computer, Kingo Android Root will automatically check for the latest drivers for your device and it will download and install them for you. Once the driver installation is finished, the program will establish a connection with your device.


12.Once -connected, your device model name and root status will appear on the software as long as ROOT Notifications and a ROOT button.


13.Once you’ve read the disclaimer go ahead and click ROOT to start rooting your device. It will take a few minutes to complete the process.


14.after some time Kingo Root will give you a success notice. Before you unplug your device, click “Finish” and wait for your device to reboot.


15.download root checker apps from play store and check.


try this method and post your result