Here you can download MediaTek MT6735 based Scatter Stock Firmware for the Symphony Helio S2 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 MT6735.
[*] Driver: MTK USB Driver.
[*] Flash Tool: Smart Phone Flash Tool.
Firmware for Symphony Helio S2
Build Number: S2_HW1_V5
Android Version: v6.0 (Marshmallow)
Download Size: 1.65 GB
Symphony Helio S2 Flash Tool & USB Driver
Flash Tool for Symphony Helio S2
Symphony Helio S2 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 Helio S2 phone manufactured by MediaTek MT6735 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.