Method 1: Use the Max iOS app and Airplay to stream content. The first thing you should try that might spell out success for you involves using the Max iOS app and Airplay for streaming content in Dolby Vision in 4K alongside the frame rate matching. Try this tweak and check if the HBO Max Dolby Vision and 4K HDR Not Working on Apple TV issue Here are the steps: Once you’ve confirmed that you’re eligible to access HBO Max using your AT&T plan, try and Sign in to your AT&T account ( att.com) from your computer. Next, in Account Overview, click on the link for HBO Max. Once you click the link, sign in to your AT&T account. You can now create your HBO account and set up your profiles. The new Max streaming service is here to replace HBO Max, but it’s still got some Day 1 bugs and streaming problems to contend with. We tried the app out on an Apple TV, a Roku TV, and on a Depends on what you’d classify as content I guess. But yeah, there’s new content on the app in the general sense. On the Apple TV, the app is actually more fluid than HBO Max. I do hate that they went back to the horrid player ui for the Apple TV tho. 4. Anybody know what is going on with Apple TV+: no HDR last night (10/7/21) for See and Foundation? I am viewing via Roku platform on a LG OLED screen. HBO Max has HDR just fine, so this seems to be an issue with Apple TV+. Have not noticed a problem before. The scenes were very dark and night scenes almost impossible to view. Thank you! I subscribed through the HBO Max app, which states specifically in the App Store as “Family Sharing” enabled, and am billed through Apple. I’ve been the Organizer for a Family Sharing plan since Apple One launched. I understand “how” family sharing works. The issue is that HBO Max does not appear under shared Subscriptions nor shared HBO Max on the other hand will not let the child do these things and requires a PIN to exit out of a Kids Profile. DC Universe: Works the same as Hulu asks for a PIN to watch blocked content. Showtime Anytime / Showtime: Must use in-app parental controls. After enabling Apple TV's built-in Parental Controls and restricting movies to PG and TV Top 5 Best VPNs for HBO Max: NordVPN – the best pick for HBO Max VPN. Surfshark – VPN for HBO Max for unlimited devices. Atlas VPN – most affordable HBO Max VPN. ExpressVPN – VPN for Max for speedy connection. CyberGhost – Max VPN with the largest server fleet. Ib5Zc.