On this page, you will find the official link to download Micromax A37B Stock Firmware ROM (flash file) on your Computer. The firmware comes in a zip package, which contains Flash File, Flash Tool, Driver and How-to Manual.
Download Micromax A37B Stock Firmware (flash file)
File Name: Micromax_A37B_B0_04_20140328.zip
File Size: 330 MB
How to Flash: