5 Essential Tricks to Supercharge ONN 4K Plus (2025)

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5 Essential Tricks to Supercharge Your ONN 4K Plus (November 2025 Update)

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If you’re frustrated with the latest Firestick restrictions — especially Amazon blocking most sideloading — the ONN 4K Plus is one of the best alternatives left. It’s cheaper, faster, and still gives you full control over your apps.

In this guide, I’ll show you 5 essential tricks to boost storage, improve performance, and unlock hidden features on your ONN 4K Plus. These updates apply to the November 2025 models and the Google TV software they run.

Let’s jump in.

1. Expand Storage with a USB Drive (The Right Way)

One of the biggest ONN 4K complaints is storage. Many units only include around 4GB of usable space, and once you add streaming apps, it fills up fast.

The fix is simple:

  1. Plug an OTG cable into your ONN 4K Plus
  2. Attach any 16–32GB USB flash drive
  3. Go to Settings → Storage
  4. Select Format as Device Storage

Your USB becomes full internal app storage, meaning you can install big apps without deleting others first.

This also solves the “low storage” errors that cause app freezes and sudden crashes.

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2. Stop Background App Drain (And Reduce Lag)

Just like Android phones, Google TV apps often stay running in the background. This drains RAM and slows down the home screen — especially on budget streamers.

To clean things up:

  • Go to Settings → Apps → See All Apps
  • Open any app you don’t use often
  • Tap Force Stop
  • Disable Background Activity if available

You’ll immediately notice smoother scrolling and fewer buffering spikes.

3. Clear Cache & Hidden App Data

Apps like Netflix, YouTube, and Kodi build up a lot of cached data over time. This can lead to:

  • App crashes
  • Slower launches
  • Storage warnings

Every couple of weeks, go to:

Settings → Apps → (Choose App) → Clear Cache

If an app feels broken or glitchy, choose Clear Data — just note it resets login info.

This one step alone can free hundreds of MB and keep your ONN 4K from bogging down.

4. Unlock Developer Options (To Enable Sideloading)

Here’s where the ONN shines — you can still enable full sideloading.
First, unlock Developer Mode:

  1. Go to Settings → About
  2. Scroll to Android TV OS Build
  3. Click it 7 times
  4. You’ll see: “You are now a developer!”

Now go to:

Settings → System → Developer Options

Enable:

  • USB Debugging
  • Install from Unknown Sources

This gives you the ability to load apps freely — something Firestick users just lost.

5. Disable Animations (Instant Speed Boost)

If your ONN ever feels slow or laggy, this tweak makes it feel twice as fast:

Inside Developer Options, find:

  • Window Animation Scale
  • Transition Animation Scale
  • Animator Duration Scale

Set each one to 0.5x or Off.

Menus open instantly, apps launch faster, and the whole device feels upgraded without changing the hardware.

Final Thoughts

The ONN 4K Plus remains one of the best value streamers in 2025 — especially with Amazon locking down the Firestick ecosystem. With a simple USB drive, a couple of settings tweaks, and Developer Mode unlocked, this box becomes far more powerful than its price tag suggests.

If you want to go deeper, check out these related posts:

And if this guide helped, drop a comment and let me know which trick you tried first!

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