Symphony H300 (V.12) Official Update Firmware Rom

Additional info

Download Symphony H300 Second Version Official Stock Firmware Rom without password.

Custom Build: H300_HW1_V12

How to Flash scatter Rom:

Step 1: Download and extract with winrar the stock Rom on your computer.
Step 2: After extracting you will find the Firmware file, SP Flash Tool, Driver and instruction manual.
Step 3: Install the USB Drivers.skip if drivers are already installed on your computer.
Step 4: Open the SP Flash Tools and load the Scatter File from the firmware folder.
Step 5: Connect your Smartphone to the computer using the USB Cable.
Step 6: Click on Upgrade or Download Button in the SP Flash Tool to Begin the Flashing.
Step 7: Green Sign will appear at the screen and device will successful Flash.

See Detailed instruction with images from here