Free download Stock Firmware ROM (flash file) for Micromax B4A . Download the firmware with unlimited bandwidth links. The firmware is fully shared and free of charge.
The Flash File will help you upgrade, downgrade or reinstall the Stock Firmware (OS) to bring your mobile device to the factory state. Besides, the firmware file can also help you fix software errors, IMEI errors, application stopping errors, source errors, etc.
File Name: Micromax_B4A_MT6737M_SW_V01_HW_V1.0_20180118_8.1.0.zip
File Size: 666 MB
Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux
Download and extract the Micromax B4A firmware file to your computer.
After extracting the package, you will get the Flash File, Flash Tool, USB Driver, and How-to Flash Manual.
Install the latest USB Drivers provided on the Computer and if in the case of USB Drivers already installed, then SKIP this step.
To do the firmware installation for your Micromax B4A device, make sure the device still has more than 30% battery remaining.
[*] Take a Backup: Please backup your Micromax B4A device before installing the firmware.