Tecno W4 is Tecno’s first Android Marshmallow Smartphone with a 5.0 inch screen display and 4G LTE supported
We had previously written a full guide on how to root and install TWRP recovery in your Tecno W4 device. Some people who are not careful enough might get their phone bricked while trying to root it.
The good news is that the stock ROM is finally available and there is no need to panic If you get your phone bricked.
You can easily Flash it using Spflash tools.