If the device turns on but gets stuck on the word "BOOT" or displays an error code:

: Once the screen displays "Download Successful" or "END," remove the USB and restart the box. Common Troubleshooting Software Release - SUPPORT | HUMAX-United Kingdom

If your box isn't connected to the internet or an automatic update fails, you can perform a manual update. This is often used for a "full system flush" to recover from reboot loops.

: If an update is available, follow the on-screen prompts. The unit will typically download the software in the background and reboot once it is ready to install. Method 2: Manual Update via USB

The blob wasn’t code.