Worried About Onn Roku TV Error 003? Here’s the Quick Fix!

If you are dealing with the onn Roku TV error 003, know that there is an easy solution! The error 003 on your onn Roku TV typically appears when the TV fails to apply a firmware update.

Often, the reason behind this error code is an unstable connection to the internet or problems with the current OS version.

We recommend the following steps to address error 003 on your onn Roku TV:

There’s much more to discuss regarding the solutions above, so keep reading!

Proven Solutions for the Onn Roku TV Error 003!

Note: Have you tried rebooting the TV using the remote control?

1. Retry the Onn Roku TV’s OS Update

There’s a strong possibility that the firmware update has failed due to a temporal bug or a glitch.

Consequently, it’s recommended to retry the procedure by launching the OS update package through the onn Roku TV settings.

Here’s how to generally initiate a firmware update on your Onn Roku TV:

1. Press “Home” on the onn Roku TV’s remote control.
2. Go to “Settings” and navigate to the “System” page.
3. Head to “Software Update” and press “Check Now.”
4. Wait until the firmware detection is complete and start.

If the error does occur again, try unplugging the TV’s power cable for at least 30–40 seconds.

This will drain the residue electricity and re-launch all system services that could potentially slow down the TV or cause issues with the network.

2. Renew the TV’s Internet Connection

The standard way to fix the onn Roku TV error 003 is to ensure the TV maintains a reliable connection to the internet.

The TV can either be connected wirelessly over Wi-Fi or use an Ethernet cable instead for a direct connection to the router. 

2.1 How to Renew the Wi-Fi On Onn Roku TV?

1. Navigate to “Settings” from the Roku home screen.
2. Select “Network” and then press “Wireless (Wi-Fi)”
3. After that, choose “Set up a new Wi-Fi connection.”
4. Follow the on-screen steps to pair the TV to Wi-Fi.

2.2 How to Renew the Ethernet On Onn Roku TV?

1. Ensure the Ethernet cable is plugged into the back of the TV.
2. Connect the other end of the cable to a blue port on the router.
3. On your onn TV, go to “Network” and select “Wired (Ethernet).”
4. Next, follow the on-screen instructions to set up the connection.

After the TV is connected successfully, attempt to conduct the firmware update procedure again, by following the instructions in solution #1.

Pro Tip: Connect Over a Mobile Hotspot

If there seems to be an issue with the onn Roku TV’s internet connection, it’s recommended to temporarily connect the TV over a mobile hotspot.

So, access the settings of your Android or iPhone, enable the hotspot feature, and check the password’s value.

3. Troubleshoot Issues with the Network

As mentioned, the primary reason for error 003 on your onn Roku TV is an unstable connection to the internet.

For that purpose, the next step is to address all potentially underlying issues with your network and network equipment to eliminate the error. 

Here’s what to attempt in troubleshooting your network:

• Disconnect the network router from the power for 60 seconds.
• Check if the service cable is securely plugged into the router.
• Check for pending firmware updates through the router’s GUI.
• Initiate a factory reset on the network through the router GUI.

How to Access the Router’s GUI?

Addressing most of the router’s functions requires access to the GUI. All you need is the router’s default gateway, found on a sticker on the bottom panel. 

Once you have the gateway’s value, follow these steps:

1. Open a web browser on an Ethernet-connected device.
2. Paste the default gateway in the browser’s search field.
3. Press enter to access the login page of the router device.
4. Use “admin” for both username and password to sign in.
5. Check the “Firmware Update” and “Factory Reset” tabs.

Tip: If you’re unable to navigate through the router’s GUI, consult with the user manual or the manufacturer’s website!

4. Perform Onn Roku TV Network Reset

If reconnecting the TV did not affect the error 003 onn Roku TV’s occurrence, you can address the issue via a network connection reset.

The procedure erases the current connection status of the TV, whether it will be Wi-Fi or Ethernet, and allows the user to redo the initial setup.

Here’s how to reset the network connection of the Onn Roku TV:

1. Press the “Home” button on the Roku TV’s remote control.
2. Access the “Settings” → “Advanced system settings” tab.
3. Choose the “Network connection reset” tile within the menu.
4. Then, select “Reset connection” and wait until it’s completed.

Note: Once the connection reset is complete, follow the steps in solution #2 to reconnect the TV with the Wi-Fi or Ethernet. 

5. Reset the Onn Roku TV Update Menu

All Roku OS devices have the so-called Secret Menu that allows the user to conduct various actions related to the software. 

This includes resetting the update menu, resetting the screenshot/ads menus, and viewing all sorts of hidden information regarding the OS.

Here’s how to reset your TV’s updates through the secret menu:

1. Press the “Home” button on the TV’s remote 5 times.
2. Then, press “Fast Forward” twice and “Rewind” twice.
3. Wait until the TV resets the update menu and try again.

All Onn Roku TV Secret Menu Commands:

You can also use the TV’s secret menu to:

• Reset the Ads/Screenshots: “Up” → “Right” → “Down” → “Left” → “Up.”
• Secret HDMI menu: “Home” 5 times → “Down” → “Left” → “Up” 3 times
• Secret Platform menu: “Fast forward” → “Play” → “Rewind” → “Play” → “Fast Forward.”
• Channel info menu: “Home” 3 times, “Up” 2 times → “Left” → “Right” → “Left” → “Right” → “Left.”
• Secret Reboot code: “Home” 5 times, “Up” → “Rewind” 2 times → “Fast Forward” 2 times.

The secret reboot could also be extremely helpful when it comes to a failed software update.

Ensure the TV’s display goes blank and wait for it to reboot before attempting an update.

6. Reset the Onn Roku TV to Default

The factory reset is a quick and efficient solution for the onn Roku TV error code 003.

The procedure lasts for anywhere between 1–2 minutes and initializes all of the onn Roku TV’s system and hardware settings.

Here’s how to reset the Onn Roku TV to factory defaults:

1. Press any button on the remote to access the homepage.
2. Scroll to the “Settings” tab and pick “System” in the menu.
3. Choose “Advanced system settings” → “Factory reset.”
4. Highlight “Factory reset everything” and follow the steps.

Once the reset is complete, all of your onn Roku TV’s system settings will be restored to default.

Ensure you have re-established a connection to the Wi-Fi or Ethernet before testing if the error code 003 is there.