Same, not working for me with iOS 11
Fixed output 2160p 60hz, 12bits ycbr 4:4:4 autoframerate enabled. Connected to panasonic Dx700
I play iso full Blu-ray (80%), mkv 4K and one bdmv...
No problem for me. Zidoo x10 with firmware 1.4.4 work fine ( ycbr 4:4:4 12 bits auto frame rate)
I wait release Zdmc 17 (zdmc 16 work fine) .
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