Here you can download MediaTek MT6573 based Scatter Stock Firmware for the Micromax A73 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 MT6573.
[*] Driver: MTK USB Driver.
[*] Flash Tool: Smart Phone Flash Tool.
Firmware for Micromax A73
Build Number: LVBEB01.3.9.1.4T18M0306_MD01
Android Version: v2.3.5 (Gingerbread)
Download Size: 159 MB
Micromax A73 Flash Tool & USB Driver
Flash Tool for Micromax A73
Micromax A73 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 A73 phone powered by MediaTek MT6573 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.