3 Fixes for Amazon Fire TV Stick 4K Not Playing 4K Content

Quick Tips

• Open Settings > Display and Audio > Audio and Video Diagnostics > The audio and video capabilities of your TV, Monitor, or Projector will be visible on your screen.
• If you ever notice a drop in the video quality while watching content on your Fire TV Stick 4K, check the video resolution first. Download the Developer Tools Menu Shortcut app from appstore.
• Open Settings > My Fire TV > Reset to Factory Defaults.

Basic Fixes

• Check internet speed: You need at least 15 MBps of internet speed on your Wireless network to work with your Fire TV Stick 4K for streaming content in Ultra HD resolution.
• Check your streaming plan: You might have subscribed to a plan which only allows Full HD 1080p video resolution.
• Check for HDCP 2.2 support on your TV: To stream content in 4K HDR, you should check whether your Fire TV Stick 4K is connected to your TV or Monitor via an HDMI port that is HDCP 2.2 compliant.
• Update streaming apps and Fire OS: Installing the latest version of both will improve your experience.

Fix 1: Check Resolution Settings on Your Fire TV Stick 4K

After confirming your internet speed and streaming plan preference, you should check the resolution settings on your Fire TV Stick 4K. When you plug in the Fire TV Stick 4K during setup, it automatically selects a resolution best suited for your TV, monitor, or projector. For example, the content might stream at a lower 1080p 60Hz despite your device supporting 4K 30Hz playback. Let us first show how you can check your device playback support using Fire TV Stick 4K.

Step 1: On the home screen of your Fire TV Stick 4K, go to Settings in the right corner.

Step 2: Select Display and Audio.

Step 3: Select Display > Audio and Video Diagnostics.

The audio and video capabilities of your TV, Monitor, or Projector will be visible on your screen.

After checking the playback specifications, you can change the resolution settings.

Step 4: Go back and then select Display from the list of options.

Step 5: Select Video Resolution.

Step 6: If your resolution is set to Automatic, select the best compatible resolution and refresh rate from the list of options for your TV, monitor, or projector.

Fix 2: Check Streaming Resolution Using Developer Tools

If you ever notice a drop in the video quality while watching content on your Fire TV Stick 4K, check the video resolution first.

Step 1: On the home screen of your Fire TV Stick 4K, go to appstore.

Step 2: Search for Developer Tools Menu Shortcut for Fire TV.

Step 3: Download and then install the app on your Fire TV Stick 4K. Then, launch the app.

Step 4: Under the Developer Tools Menu, select Advanced Options.

Step 5: Select the toggle to enable the feature.

Step 6: Select Launch Configuration Panel.

Step 7: Scroll down to the bottom and then enable Audio Focus Stack.

Step 8: Exit the app and then open any streaming app of your choice.

Step 9: Start watching any content on the app to enable the Multimedia Information panel.

You will be able to see the streaming resolution on the app.

Fix 3: Reset Fire TV Stick 4K

If none of the solutions work for you, reset your Fire TV Stick 4K and then set it up from scratch.

Open Settings > My Fire TV > Reset to Factory Defaults.

Besides, you may check our post to fix the Fire TV Stick 4K remote not working when it doesn’t respond or work as intended.