SPD Upgrade Tool comes with very simple interface. You can easily load the firmware in the tool and you are ready to flash the firmware on your device. It allows users to flash PAC firmware on the Android Phone and Feature Phone (basic phones). Simply, add the firmware in the SPD Upgrade and click Start Downloading Button to begin the flashing process. It allows you to flash .P5C firmware on your device. It allows you to add multiple languages and configure the LCD (these options will only work when you will set special NV and userimg file.