Because it uses a MediaTek processor, it is incompatible with fastboot or Odin tools. The only reliable method to flash firmware on this device is via .
The story of the Wiko Rainbow 3G Stock ROM is a classic tale of digital resurrection for a device that once brought "vibrant energy" to the mid-range market. Originally launched in 2014 by the French brand Official Wiko Rainbow 3G Stock Rom For SP-Flashtool