Hold down the (usually hidden inside the AV port) with a toothpick.
"EP_68" or "EP-68" printed directly on the green circuit board (PCB).
In the program interface, select the path pointing to your downloaded Firmware_RK3128_MXQ_EP_68.img file. Step 3: Connect the TV Box in Bootloader/Loader Mode
Ensure you are using a good quality USB Male-to-Male cable and that the drivers are installed. Flash Fails at 5% or 10%:
However, if you have nostalgia or need a headless (PS1, SNES, NES), the EP-68 works adequately with EmuELEC (a Linux-based retro gaming distribution). For Android TV purposes, recycle it.
The device hangs on the "Mbox" or "Google TV" splash screen.
Budget TV boxes often hide actual internal specifications behind misleading retail packaging. Many units marketed as "MXQ Pro 4K 5G" actually run on legacy hardware. Rockchip RK3128 / RK3128A.
Flashing generic RK3128 firmware onto an EP_68 board usually causes the Wi-Fi module or the remote control to fail. Using the exact hardware-matched file avoids driver conflicts. Prerequisites Before Flashing
This is the hardest part because manufacturers rarely maintain official download pages.
Move the connection to a rear motherboard USB 2.0 port on your PC; avoid using fragile front-facing case ports or USB 3.0 ports.
Typically ships with Android 7.1 or 9.0, though these are often "faked" versions of older Android builds. LibreELEC Forum Firmware Resources
Plug one end of your USB Type-A cable into your PC's USB 2.0 port.