The EKEN W70 includes a Windows‑8‑style launcher that sometimes crashes after a few days of use.

He plugged a pair of headphones into the dusty 3.5mm jack.

This usually means you flashed the wrong "config" file. You must re-flash with the correct .fwc file selected in the config folder.

https://www.mediafire.com/file/4ivz6dr6opos7wo/wm8850_generic_root_20140310.7z (Copy and paste – this has been verified in XDA threads).

Flashing firmware will erase all user data and applications. Ensure your tablet is sufficiently charged before starting. for your tablet's serial number? WM8850-MID Tablet Firmware Files and Root Instructions

Often archived as W70-1.5.1680-WIN8-1108.zip . You can check for legacy uploads on Android Tablet Forum or Early Bird Club .

This comprehensive guide provides the information, step-by-step instructions, and critical identification markers you need to successfully restore your tablet. Understanding Your Hardware: The WM8850 V20 Architecture

Follow these steps carefully to flash the downloaded firmware onto your Eken tablet. Step 1: Prepare the SD Card

Because standard WonderMedia firmware installation relies on an SD card bootloader, the process does not require complex Android Debug Bridge (ADB) commands. Step 1: Format Your MicroSD Card Insert your MicroSD card into your Windows PC.

If the device hangs on the logo, try the Uberoid custom firmware, which has better driver compatibility for various Eken W70 screen variants.

If you'd like, I can help you for your V2.0 board or find a rooting guide if the version you download isn't pre-rooted. WM8850-MID Tablet Firmware Files and Root Instructions

If you cannot find an exact EKEN W70 or V20 link, try generic firmware. The WM8850 is surprisingly standardized. Look for files labeled: