Find problem and solution thank to my friend LICDOM: metadati hdr10+ togheter dolby vision. Reccode video, using hdr10plus_tool, only with metadati Dolby Vision and without hdr10+, solve problem for all FireStick TV Procedure (Screenshot numbers in brackets) : MKVTollNix ==> https://mkvtoolnix.download/ and install gMKVExtractGui ==>  https://sourceforge.net/projects/gmkvextractgui/ and copy in directory of MKVTollNix Software to download and put in a folder t
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