Here you can download MediaTek MT6582 based Scatter Stock Firmware for the Micromax A99 Android device. The downloadable file High Compressed in an archive, You will get the Flash File after extraction. Included contains Flash Tool, USB Driver, and how-to Flash manual instructions.
[*] Chipset: MediaTek MT6582.
[*] Driver: MTK USB Driver.
[*] Flash Tool: Smart Phone Flash Tool.
Firmware for Micromax A99
Build Number: MMX_A99_SW_V1.10_HW_DS2_05_020215
Android Version: v5.0 (Lollipop)
Download Size: 603 MB
Build Number: MMX_A99_SW_V1.16_HW_DS2_03_141114
Android Version: v4.4.2 (KitKat)
Download Size: 630 MB
Micromax A99 Flash Tool & USB Driver
Flash Tool for Micromax A99
Micromax A99 USB Driver
[*] Backup: During the flashing process SP Flash Tool tool will erase user data from the phone. So you need to backup for restoring those files on your device.
[*] Device Information: The Micromax A99 phone powered by MediaTek MT6582 CPU. So you need to use MTK SP Flash Tool and MTK USB Driver to flash Firmware on this device.
[*] Flashing Information: You should use only the “Firmware Upgrade” option in SP Flash Tool when you want to reinstall or upgrade the Software of your device. – “Format + Download” option only for Engineering Purpose.