The tool has a very simple interface and you can even use it if you are new to the software. Using this tool, you can flash the PAC based firmware on the device.
It is an authenticated tool and easy to download. The tool is free to use and you can easily find it on the internet. You can use this flash tool to install the flash file on the spreadtrum powered devices. SPD upgrade is a software program that you can use to flash your device.