Move both the folder and the script file to the root directory of your SD card.
Do you have the number found on the back of your tablet or on the internal motherboard? eken+w70+v20+wm8850+firmware+link
The WM8850 bootloader will detect the script. You will see a green progress bar on the screen. Do not touch the device during this process. Move both the folder and the script file
Insert the SD card into the tablet and power it on. eken+w70+v20+wm8850+firmware+link
Download Link (Note: Use a verified mirror if the official Eken site is down) .