This usually means the firmware version isn't compatible with your specific board revision.
Finding the correct for an (RK3228/RK3229) TV box is a specialized task because these generic devices often share the same chip but use different internal hardware like Wi-Fi or RAM modules. Direct Download Sources rk322x-box firmware 8.1 download
How to Download and Update RK322X TV Box Firmware to Android 8.1 If your RK322X-based TV box (like the MXQ Pro 4K This usually means the firmware version isn't compatible
: Unplug power, hold the Reset button (usually hidden inside the AV jack), and connect the box to your PC via a USB Male-to-Male cable using the OTG port. If you are specifically hunting for an Android 8
If you are specifically hunting for an Android 8.1 image, the following locations are common starting points: Armbian Community Forums: A major hub for development, offering both archived builds community-maintained images PostmarketOS Wiki: Provides a detailed technical overview of the RK322x chipset and its software capabilities. User-Provided Links: Occasionally, members of the community share direct download links
To flash the firmware, you cannot just use a USB stick. You need:
While holding Reset, connect the box to your PC via the USB-A cable.