How to check model vivo by Fastboot Mode (Free Soft)
Example : Fastboot Mode Vivo V9
1- Turn off the smartphone by pressing the Power key for a short while.
2-After that keep holding on Volume Up and Power buttons for a couple of seconds.
3- When the Fastboot Mode pops up let go of all keys.
4-Using Program Check Vivo Model@biv.rar to check model your phone
Good luck :) Download free