Finding specific, reliable firmware for older Android tablets like the Eken W70 (V20) VIA WM8850
4PDA has the largest collection of Chinese tablet firmware.
Avoid these common traps:
Configuring for V2.0: If your screen alignment is off or the touch doesn't work, navigate to FirmwareInstall/config. Look for a file starting with a + sign. To match your specific hardware, remove the + from the current file and add it to the start of the configuration file that matches your specific model (e.g., +MID7_8233...fwc).
tool specifically designed for the WM8850. This tool uses the same flashing method but only updates the files necessary for root. eken+w70+v20+wm8850+firmware+link
The flashing process for WM8850 devices is "SD-card based," meaning you do not need complex PC software.
W70-1.5.0 Build: Often archived as W70-1.5.1680-WIN8-1108.zip. You can check for legacy uploads on Android Tablet Forum or Early Bird Club. To match your specific hardware, remove the +
Stuck at Logo: If the tablet hangs at the Eken logo for more than 10 minutes, try a different SD card or a different version of the firmware.