1. Product Overview
The Angrox Universal TV Remote Control (Model: nns21) is designed to provide convenient control for a wide range of smart televisions. This remote utilizes infrared technology for stable performance and quick response times, allowing you to manage various TV functions and access popular streaming services with dedicated hotkeys.

Figure 1: Front and side view of the Angrox Universal TV Remote Control.
2. Important Compatibility Information
2.1 Compatible Devices
This universal remote control is compatible with most major smart TV brands, including:
- Samsung Smart TVs
- LG Smart TVs
- Vizio Smart TVs
- TCL Smart TVs
- Hisense Smart TVs
- Sony Smart TVs
- Philips Smart TVs
- Roku Smart TVs
- Insignia Smart TVs
- Toshiba Smart TVs
2.2 Incompatible Devices
This universal remote is NOT compatible with the following devices:
- Roku Streaming Sticks
- Any TV Sticks (all brands)
- All TV Cubes
- Roku, TCL, Hisense, Anker, or Klipsch Sound Bars
- All Fi TV Devices
- Original Insignia, Toshiba, or Pioneer remotes (this remote is a universal replacement, not a direct clone for these specific original remotes)
The remote connects and pairs via infrared only. If you are unsure about compatibility, please consult the manufacturer before purchase.

Figure 2: Examples of remote controls and devices that are not compatible with this universal remote.

Figure 3: This remote is not compatible with streaming sticks or TV cubes.
3. Setup Instructions
3.1 Battery Installation
- Open the battery compartment cover on the back of the remote control.
- Insert two (2) AAA batteries (not included), ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
3.2 Initial Setup for TV Control
This universal remote is designed for quick setup. Follow these steps to pair it with your TV:
- Ensure your TV is powered on.
- Point the remote control towards your TV.
- Press and hold the OK button simultaneously with the specific button corresponding to your TV brand, as listed below. Hold both buttons until the remote's indicator light flashes, then release.
| TV Brand | Button Combination |
|---|---|
| Insignia TV | OK + Home button |
| Toshiba TV | OK + Home button |
| Roku TV | OK + Up Arrow button |
| Hisense TV | OK + Down Arrow button (Hulu not supported) |
| TCL TV | OK + Right Arrow button (Hulu not supported) |
| Samsung TV | OK + Return button |
| Vizio TV | OK + Menu button |
| LG TV | OK + Rewind button (Hulu not supported) |
| Philips TV | OK + Play/Pause button (Prime Video, Disney+, Hulu not supported) |
| Sony TV | OK + Fast Forward button (Hulu not supported) |
After releasing the buttons, test the remote's functions. If it does not work, repeat the setup process.

Figure 4: Visual guide for pairing the remote with different TV brands.
4. Operating Instructions
The Angrox Universal TV Remote Control features a standard layout for intuitive operation. Below is a guide to the main buttons and their functions:

Figure 5: Labeled buttons and dimensions of the remote control.
- Power Button: Turns the TV on or off.
- Input Button: Cycles through available input sources (HDMI, AV, etc.).
- Home Button: Returns to the TV's main home screen or smart hub.
- Return Button: Goes back to the previous screen or menu.
- Menu Button: Opens the TV's main menu or settings.
- Navigation Pad (Up/Down/Left/Right): Navigates through menus and selections.
- OK Button: Confirms selections or enters menus.
- Rewind, Play/Pause, Fast Forward Buttons: Controls media playback.
- Volume Up/Down Buttons: Adjusts the TV's volume level.
- Channel Up/Down Buttons: Changes TV channels.
- Guide Button: Accesses the TV program guide.
- Mute Button: Mutes or unmutes the TV's audio.
- Settings Button: Opens TV settings.
- Browse Records Button: Accesses recorded content or browsing history.
- Dedicated App Hotkeys (NETFLIX, Prime Video, Disney+, Hulu): Provides one-click access to these streaming applications. Note: Hulu support may vary by TV brand (see Table 1).
This remote operates using infrared technology, providing a strong signal and stable performance with a fast response time of 0.2 seconds and a control range of up to 40 feet. Please note that this remote does NOT include a voice search function.

Figure 6: Features of the remote, including infrared technology and absence of voice search.
5. Maintenance
5.1 Battery Replacement
When the remote's performance degrades or the indicator light does not illuminate, it is time to replace the batteries. Follow the battery installation steps in Section 3.1.
5.2 Cleaning
To clean the remote control, use a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as these can damage the remote's surface or internal components.
6. Troubleshooting
- Remote not responding:
Ensure fresh AAA batteries are correctly installed. Point the remote directly at the TV's infrared receiver. Obstructions between the remote and the TV can block the signal. Re-attempt the setup process (Section 3.2). - Specific functions not working:
Some advanced functions or app hotkeys (e.g., Hulu) may not be fully supported on all TV models, as indicated in Table 1. Ensure the remote is correctly paired with your specific TV brand. - Remote works intermittently:
Check battery levels. Ensure there are no strong light sources (like direct sunlight) interfering with the infrared signal.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | nns21 |
| Product Dimensions | 6.22 x 1.49 x 0.47 inches |
| Item Weight | 1.76 ounces |
| Batteries Required | 2 AAA batteries (not included) |
| Special Features | Ergonomic, No Programming Required (after initial setup), Universal |
| Max Number of Supported Devices | 1 (one TV at a time) |
| Compatible Devices | Television |
| Technology | Infrared (IR) |
8. Warranty and Support
8.1 Warranty Information
This Angrox product comes with a 90-day return warranty from the date of purchase. This warranty covers manufacturing defects and ensures product functionality under normal use.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact Angrox customer support directly. We aim to respond to all inquiries within 12 hours.
Please refer to your purchase documentation or the Angrox official website for the most current contact information.
