i have this receiver but hdr (hlg/hdr10) don\’t work

Gigablue uhd quad 4k
 Hi, i have this receiver but hdr (hlg/hdr10) don\’t work
I read in the questions (on this site) that support this
are you sure?
Thank\’s

Good afternoon, you can try to install the newest version of E2 OpenATV 6.2. This E2 supports HDR 10 HLG.