Checking in with the same issue. 4k content played perfect on both my fire sticks prior, now they both transcode to 1080p (and looks terrible) and the transcode reason says “4k playback is not supported on this device”.
Checking in with the same issue. 4k content played perfect on both my fire sticks prior, now they both transcode to 1080p (and looks terrible) and the transcode reason says “4k playback is not supported on this device”.