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Getting the most from Netflix and Disney+ on your TV: picture, subscription, connection

Paying for 4K but the picture still looks blurry? The problem often lies with the subscription, the connection or an app setting. Here are the checks to make so you really get the most from Netflix, Disney+ and other streaming services.

By Clément, TV specialist at Nimestore · 2 min read · Published 26 October 2026
In brief
  • 4K and HDR require the most expensive plan on Netflix
  • Allow at least 15 to 25 Mb/s stable for 4K
  • A network cable is better than Wi-Fi
  • Use thebuilt-in app of the TV, not an old set-top box

1. Check your subscription

Not every plan gives access to the best picture. On Netflix, only the Premium plan offers 4K, HDR and Dolby Vision. Cheaper plans stop at HD. On Disney+, 4K and HDR are included in the Standard plan without ads and in Premium depending on the country, but not always in the plan with adverts. Check the plan in your account: it's the most common cause of a disappointing picture.

2. Check your connection

The platform adjusts quality to your bitrate. Below about 15 Mb/s stable, 4K quality degrades without warning. In the Netflix app, the help screen offers a connection test; you can also type "fast.com" in the TV's browser.

  1. Connect the TV with an network cable if the box is nearby: it's the most stable option.
  2. Otherwise, move the box closer or add a Wi-Fi extender or a powerline kit.
  3. Avoid large downloads on other devices during the film.

3. Use the right source

The built-in app on a recent TV almost always handles 4K, HDR and Dolby Vision. An old box or older streaming stick may limit the picture to HD. If your TV is less than five years old, prefer its app.

4. Adjust the picture for films

Choose the mode Filmmaker, Cinema or Dolby Vision Dark, and turn off motion smoothing. When a film is in HDR, the TV switches mode automatically: set this HDR mode once as well.

!
How can I tell if I'm really watching in 4K?

On Netflix, look for the "Ultra HD 4K" or "Dolby Vision" badge next to the title. On the TV, the Info button on the remote often shows the resolution and HDR format received.

TVs with 4K Dolby Vision apps

Frequently asked questions

Why is the picture blurry for the first few seconds?

The platform starts at low quality, then increases it once it has measured your bitrate. If it stays blurry, the problem is your connection or subscription plan.

Is Wi-Fi enough for 4K?

Often yes, if the TV is close to the box. But a wall or a floor can be enough to reduce the bitrate. A network cable is still the safest option.

Do I need a box in addition to my smart TV?

No if your TV is recent and has the apps. A box can be useful if your TV's apps are no longer updated.

Need advice?

Come and compare the screens in person

At our Temploux shop, we switch on TVs side by side with your content. Or ask our expert salesperson online, right now.

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