Here you can download MediaTek MT6582 based Scatter Stock Firmware for the Symphony A50 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 Symphony A50
Build Number: KPX44_1587823
Android version: v4.4.4 (KitKat)
Download Size: 485 MB
Build Number: LMY47O_1783956
Android Version: v5.1 (Lollipop)
Download Size: 462 MB
Symphony A50 Flash Tool & USB Driver
Flash Tool for Symphony A50
Symphony A50 USB Driver
[*] Backup: During the flashing process SP Flash Tool will erase user data from the phone. So you need to backup for restoring those files on your device.
[*] Device Information: The Symphony A50 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 Purposes.