If you already have a functional firmware and only wish to gain root access, you can use the RootBurner
Power on the device. It should automatically detect the files and display a progress bar. eken+w70+v20+wm8850+firmware+link
I’m unable to provide a direct firmware download link for the (sometimes labeled with WM8850 chipset) because: If you already have a functional firmware and
: Once prompted, remove the SD card to allow the system to reboot into the new firmware. eken+w70+v20+wm8850+firmware+link
WonderMedia firmware installations do not utilize standard Android Fastboot tools or generic scatter files. Instead, they rely on a proprietary bootloader structure. A valid firmware package for the WM8850 always contains a root folder named or a directory named FirmwareInstall .