On this thread, you will find the Legit link to download Micromax V51 Firmware Flash File (Stock Rom) Package. Which contains Firmware File, Sp Flash Tool, Drivers and Complete Guide.
Micromax V51 Firmware Flash File (Stock Rom)
File Name: Micromax_V51_MT6737M_20170330_7.0.zip
File Size: 820 MB
Step by Step Tutorial
How to Flash Complete Manual
Step 1: First of all Download and extract the desired stock firmware of Micromax V51 on your PC or Laptop.
Step 2: After extracting the package , you will get the Stock Firmware Flash File, Flash Tool, Drivers and Step by Step Tutorial.
Step 3: Completely Install the USB Driver on your Pc or Laptop (skip this step if drivers are already installed).
Step 4: Follow the Tutorial Guide to Flash the Firmware on your Micromax V51 Device.
Follow Complete Guide
[*]Read Backup: If you are going to write the above Firmware on your Micromax V51 device, backup everything as because your Private data like photos,videos,music,contacts,sms & notes etc will be deleted after flashing the firmware file.
[*] The firmware file displayed on this thread is officially released by the company and helps you to recover,update and repair your bricked device in conditions such as software issues, update errors, hanging, dead issue and bootloop etc.