Keep your eye on the front crisp LCD color display. When it displays "Update? Press Power" , quickly press the physical Power Button on the front panel of the receiver (not the remote).
If the box does not boot (stuck on "VU+" logo): vu solo 4k backup images
The LCD will display "Flashing..." followed by "Rootfs...". Do not interrupt this process. Keep your eye on the front crisp LCD color display
Many VU+ 4K receivers, including the Solo 4K, support . This is a more advanced feature that allows you to have multiple backup images installed on your receiver at the same time, each in its own "slot" (e.g., Slot 1, Slot 2, etc.). including the Solo 4K