Yes.
The MIRA Series supports HDR10+ decoding.
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How to check HDR10+ status:
1. Play HDR10+ content
2. Press the Settings button on the remote control to open Quick Settings.
3. Navigate to Display.
4. Check the Picture Mode. When HDR10+ is active, it will display as (Mode) (HDR10Plus).
Note
HDR is enabled by default. If you are playing HDR content, but the image mode does not indicate that it is active:
Check the HDR setting in "Advanced Settings" to ensure it is set to "On".