As we konw,the uno4k and ultimo4k is BCM chips , bcm7252s and bcm7444s. Both of them are hardware support avs decode(China avs format). Some of my friends bought the two boxes,tested the avs+ stream,but they don't work. We counselling the openatv team and openpli team,they say the reason is lake of driver,and the diver need official manufacturers support. So we hope Vu+ support the driver to support avs format,Bcm chips are hardware support. Here is the avs+ test stream