Device and app evidence
Apple TV 4K first generation (A1842) · IPTV setup and compatibility
A1842 identifies the first 4K model. Apple lists HDMI 2.0a and formats including Dolby Vision and HDR10 in its technical specifications.
A1842 identifies the first 4K model. Apple lists HDMI 2.0a and formats including Dolby Vision and HDR10 in its technical specifications.
Confirm the exact product or platform
| Check | Manufacturer or publisher evidence |
|---|---|
| Platform | Apple TV |
| Publisher | Apple |
| Model number | A1842 |
| Introduction year | 2017 |
| HDMI | HDMI 2.0a |
| Documented HDR formats | HDR10 and Dolby Vision |
What to do on your device
- Compare the receiver, cable and TV input with the A1842 specifications before forcing a format copied from a newer generation.
- Use the Apple TV App Store to confirm the selected app on the installed tvOS version.
- If only HDR fails, reproduce with a supported SDR title and use the Match Content controls as a separate test.
Test the viewing task
Use one authorized programme with a known audio or caption track. Check the same task after the documented change. If the result differs, report the model, OS or app version and the format or connection that the guide above applies to.