Using this flash file, you can format, flash and *upgrade your Tecno C9.
Tecno C9 Stock ROM Firmware Link
How to Flash Stock ROM On Tecno C9
1. Download Tecno C9 stock ROM from the link(s) above.
2. Download and install Windows drivers for your device on your PC.
3. Extract The Downloaded Firmware onto a folder on your PC.
4. Choose either of the flash tools listed below for detailed instructions on how to flash stock firmware on Tecno C9 using either of the tools.