 The 4K service could also only be used on "DirecTV 4K Ready" televisions, which support RVU protocol; this was limited to selected Samsung 4K televisions released in 2014.In 2015, DirecTV introduced 4K Genie Mini set-top boxes, which can be connected to any HDMI 2.0/HDCP 2.2-compliant devices to provide 4K video.In April 2016, DirecTV began live sports broadcasts in 4K to eligible subscribers, including coverage from the 2016 Masters Tournament, 25 "MLB Network Showcase" baseball games in the 2016 season (subject to local blackout restrictions) beginning April 15, 2016, and all Notre Dame college football home games during the 2016 season.