If you have a MTN Sm@rt S735 and you want to Install Stock Firmware ROM on MTN Sm@rt S735. Here we will guide you to install official stock ROM on your MTN Sm@rt S735. Download the required file to either upgrade or downgrade your MTN Sm@rt S735. This tutorial in We used a tool (software). that known as SP Flash Tool which is very simple and easy. You can just flash the firmware on MTN Sm@rt S735 using the Smartphone Flash Tool. Follow the tutorial steps to flash the firmware on MTN Sm@rt S735.