Why is my Samsung TV so slow? How to improve performance

⚡ Fast fix

• Delete apps you don’t use—it frees up storage fast.
• Clear the cache in Settings > Support > Device Care.
• Turn off motion smoothing—it eats memory.
• Run a quick speed test—slow Wi-Fi can cause lag.

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You're catching up on your favorite TV show, but lags and freezes are interrupting your viewing experience. You can't pinpoint anything that would cause these Samsung® TV connection issues. Why is my Samsung TV so slow, you wonder—and is there a way to fix it?

Asurion Experts know tech. Whether you need to fix Samsung TV apps that aren't working or want a smart TV buying guide, count on us for trusted advice. Here's why your Samsung smart TV may be slow, along with troubleshooting steps to make it more responsive.

Identifying what makes your Samsung TV run slowly

Most electronic devices have limited memory and storage. If your device has lots of installed apps and other space-hogging items, there's a good chance you're close to the TV's limitations.

Outdated firmware can also affect device performance. If you don't have the latest version, it may affect performance.

Older TVs may struggle to meet the processing requirements of certain apps. This can cause overheating and lag.

Clearing apps and freeing up TV storage

To delete an app:

1. Navigate to the Apps screen.
2. Click Settings.
3. Select the app you want to delete.
4. Click Delete.

Clear the cache

To clear the cache on newer Samsung models:

1. Press the Home button on your remote.
2. Select Settings > Support > Device Care.
3. Select Manage Storage.
4. Select the app and choose Clear Cache.

If you don’t see those options, unplug the TV for several minutes to refresh the cache.

Close background apps

On newer Samsung models:

1. Go to the Home screen.
2. Select Settings > Support > Device Care.
3. Select Start Device Care.

Optimizing system settings for better speed

Turn off motion smoothing

1. Open Settings.
2. Select Picture > Expert Settings.
3. Select Auto Motion Plus Settings or Picture Clarity Settings.
4. Turn the setting off.

Check your internet speed

General speed recommendations:

• Standard Definition (SD): 10 Mbps
• High Definition (HD): 20 Mbps
• 4K: 25 Mbps

Use an online speed test to check your connection.

Restarting, updating, and repairing the TV

To reset your Samsung TV:

Press and hold the Power button on your remote until the Samsung logo flashes.

To update firmware:

1. Open Settings.
2. Select All Settings > Support.
3. Select Software Update > Update Now.

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FAQ

Why is my Samsung TV so slow all of a sudden?

It’s usually caused by limited storage, too many background apps, outdated firmware, or slow internet speeds.

Does clearing cache speed up a Samsung TV?

Yes. Clearing temporary files can free memory and improve performance.

Does motion smoothing slow down a TV?

It can. Motion smoothing uses processing power and memory.

Will updating firmware make my Samsung TV faster?

Often, yes. Updates fix bugs and improve stability.