How to change Wi-Fi on an LG TV: instructions for webOS and NetCast

Changing the Wi-Fi network on your TV LG — a problem every user faces when moving, replacing a router, or experiencing a connection failure. Unlike smartphones, where the process takes a few seconds, smart TVs require a more careful approach due to firmware peculiarities. webOS or an outdated platform NetCastThis article will help you understand the nuances: from basic setup to solving common problems when the TV doesn't detect a new network or requires a password, but the keyboard doesn't appear.

We will consider current methods for models LG OLED, NanoCell, QNED and budget series with webOS 4.0–24, and we will also pay attention to old TVs on NetCast (2012–2014). We will pay special attention to hidden function to reset network settings via the service menu, which is not mentioned in the official instructions. If your LG After updating the firmware, I stopped connecting to Wi-Fi. You will find a solution here.

1. Preparation: What you need to know before changing Wi-Fi

Before you begin setting up, make sure the problem is with the TV and not the router. This is easy to check:

• 📱 Try connecting your smartphone or laptop to the new Wi-Fi network. If they connect without problems, the issue is with the settings. LG.
• 🔄 Reboot your router (unplug the power for 30 seconds). Sometimes TVs LG can't see the network due to IP address conflict.
• 📡 Check if your Wi-Fi network is hidden (setting "Skid SSID" in the router). LG cannot connect to hidden networks without additional manipulation.

If you are changing your router, write down the following in advance: new network name (SSID), password, security type (WPA2/WPA3) and broadcast channel (2.4 or 5 GHz). Televisions LG older than 2018 may not be supported WPA3 and networks 5 GHz - This is a common cause of the "Failed to connect" error.

⚠️ Note: If your TV was previously connected to the network via an Ethernet cable, you will need to physically disconnect it. LG With webOS automatically prioritizes the wired connection and the Wi-Fi option becomes unavailable.

2. Method 1: Standard Wi-Fi change via the settings menu

This is the simplest method that works on 90% of models. LG With webOS 3.0 and newer (2016–2026). The instruction is suitable for the series OLED C2/C3, NanoCell 86/90, QNED 80/90 and budgetary UK6300/UK7500.

Steps to change network:

1. Click the button Settings (gear) on the remote control LG Magic Remote.
2. Go to the section All Settings → Network → Wi-Fi Connection.
3. Select your current network and click Delete (or "Forget network").
4. In the list of available networks, select the new Wi-Fi network and enter the password using the on-screen keyboard.
5. Confirm the connection. The TV should obtain an IP address automatically (DHCP).

If the on-screen keyboard does not appear or is frozen:

• 🔄 Restart your TV (hold the power button on the remote for 5 seconds).
• 🖱️ Connect a wireless mouse via USB port - this will make entering the password easier.
• 📱 Use the app LG TV Plus on your smartphone for control.

Make sure the router is turned on and distributing Wi-Fi|

Check that the TV is not connected via cable|

Write down the password for the new network|

Update TV firmware (if there is a notification) -->

⚠️ Warning: On TVs LG With webOS 4.0–5.0 (2018–2020): The "Delete Network" button may be missing. In this case, use the reset method (Section 4).

3. Method 2: Connecting to a hidden Wi-Fi network

If your router is configured to hide the network name (the "Hide SSID" option), the standard Wi-Fi search on LG It won't work. Here's how to connect manually:

Instructions for webOS 6.0+ (2021–2026):

1. Open Settings → Network → Wi-Fi.
2. Select Add a network manually (or "Connect to a hidden network").
3. Enter SSID (exact network name, case sensitive!).
4. Please specify security type (usually WPA2-PSK).
5. Enter your password and save your settings.

For older models (webOS 3.0–5.0):

• 🛠️ First, reset your network settings (section 4).
• 🔍 When connected to Wi-Fi, press Additionally → Add a network.
• 🔑 If the TV asks you to enter IP address manually, use a combination 192.168.1.100 (mask 255.255.255.0, gateway 192.168.1.1).

4. Method 3: Reset network settings (if Wi-Fi does not change)

If the TV stubbornly does not "see" the new network or displays an error "Unable to connect", a complete reset of network settings will help. This method works on all models, including LG With NetCast.

Instructions for webOS:

1. Open Settings → General → Reset settings.
2. Select Reset network settings (do not confuse with a full reset!).
3. Confirm the action. The TV will reboot.
4. After turning it on, repeat the Wi-Fi setup from scratch (section 2).

For older models (NetCast):

On the remote control, press: [Settings] → [Option] → [Network] → [Reset Network]
(on some models the path is: [Menu] → [Setup] → [Network] → [Reset])

If resetting doesn't help:

• 🔌 Unplug the TV for 1 minute (complete cache reset).
• 📦 Check if the MAC address filter is enabled in your router (sometimes LG blocked as "unknown device").
• 🔄 Update your TV firmware (section 6).

What should I do if the "Network" section in the menu disappears after resetting Wi-Fi?

This is a known bug in webOS 5.0–6.0. ​​To reset your network settings:

1. Disconnect your TV from the Internet (pull out the Ethernet cable if it is connected).

2. On the remote control, press the following buttons in sequence: [Home] → [Settings] → [General] → [About TV] → [Click "OK" 5 times].

3. In the service menu that opens, select Network Reset and reboot the TV.

If this doesn't work, you'll need to reflash the firmware at a service center.

5. Features for LG TVs with NetCast (2012–2014)

Old models LG on the platform NetCast (series LA620V, LA740V, PN650T) have a limited network menu and often refuse to connect to modern routers. Here's what to do:

Connection algorithm:

1. Click Menu → Setup → Network → Wi-Fi Connection.
2. Select Manual Setup (manual setting).
3. Enter SSID manually (case sensitive!).
4. Specify the security type: for older routers, select WPA-PSK (TKIP), for new ones - WPA2-PSK (AES).
5. If the TV asks IP address, enter:

   IP: 192.168.1.150
   Mask: 255.255.255.0
   Gateway: 192.168.1.1
   DNS: 8.8.8.8

Common problems NetCast and solutions:

• 🚫 Authentication Failed error: change the encryption type in the router WPA2/WPA3 on WPA-PSK.
• 🌐 No internet access: Disable IPv6 and the "AP Isolation" function in your router.
• 🔄 Connection is constantly lost: in the router settings, fix the Wi-Fi channel (for example, Channel 6 for 2.4 GHz).

⚠️ Attention: Televisions NetCast do not support modern standards 802.11ac (Wi-Fi 5) and WPA3If your router only works in wireless mode 802.11ax (Wi-Fi 6), you will have to enable compatibility mode 802.11n (Wi-Fi 4).

6. Updating the firmware to fix Wi-Fi errors

If the TV LG If your Wi-Fi connection becomes unstable after upgrading (disconnecting on its own, not saving settings), outdated firmware may be to blame. Updating resolves 80% of connection issues.

How to update webOS:

1. Connect your TV to the Internet via Ethernet cable (if Wi-Fi does not work).
2. Go to Settings → Support → Software Update.
3. Select Check for updates and follow the instructions.
4. After installation, the TV will reboot automatically.

For models without internet access:

• 💾 Download the firmware from the official website LG (section "Support → Software & Firmware").
• 📁 Unzip the file and copy it to USB drive (format FAT32).
• 🔌 Connect the flash drive to the TV and select Settings → General → Software Update → Update from USB.

7. Solving common errors when changing Wi-Fi

Even after the TV is set up correctly LG may produce errors. Let's look at the most common ones:

Error: "Unable to connect to the network"

• 🔌 Check if it is enabled in your router MAC address filter.
• 🔒 Make sure you entered the password correctly (keyboard LG (case sensitive!).
• 📶 Change the Wi-Fi channel on your router to 1–11 (TVs don't work well with channels 12-14).

Error: "IP address not received"

• 🔄 Reboot your router.
• 🖥️ Enable it in your router settings DHCP (if disabled).
• 📊 Assign a static IP to your TV manually (section 5).

Error: "Weak signal" (while the signal is good on other devices)

• 📡 Reduce the Wi-Fi transmission power in your router to 50–70%.
• 🔄 Change the router's operating mode 802.11ac on 802.11n.
• 🛡️ Disable the function in your router Band Steering (she's in the way) LG connect to 2.4 GHz).

Why does my LG TV connect to Wi-Fi but won't open YouTube/Netflix?

This is a DNS issue. Manually enter the following into your TV's network settings:

- Primary DNS: 8.8.8.8 (Google)

- Alternative DNS: 1.1.1.1 (Cloudflare)

After that, reboot your TV. If that doesn't help, clear the app cache. Settings → General → Reset → Clear cache.

8. Alternative ways to connect to the Internet

If Wi-Fi is on LG still didn't work, consider alternative options:

1. Connecting via Ethernet cable

• 🔌 Buy an adapter USB-to-Ethernet (for models without LAN connector).
• 📦 Connect the cable directly from the router to the TV.
• ⚡ The speed will be more stable than via Wi-Fi (especially for 4K content).

2. Using Powerline adapters

• 🔌 Connect one adapter to the router and the second to a socket near the TV.
• 📶 Data is transmitted over electrical wiring (speed up to 1 Gbit/s).
• ✅ Suitable for houses with thick walls where Wi-Fi coverage is poor.

3. Mobile Internet via USB modem

• 📱 Connect the 4G/5G modem to the TV's USB port.
• 🔄 In the network settings, select Mobile network.
• ⚠️ Does not work on all models (check compatibility on the website) LG).

4. Screen Mirroring from your phone

• 📱 Activate Smart Share or Miracast on TV.
• 🔗 Connect from your smartphone via Wi-Fi Direct.
• ✅ Suitable for temporary solutions (for example, watching YouTube).

⚠️ Warning: On TVs LG With webOS 3.0–4.0 When connecting via Ethernet, the Wi-Fi module is automatically disabled. To restore wireless network connectivity, you will have to physically disconnect the cable.

FAQ: Frequently asked questions about changing Wi-Fi on LG devices

My LG TV isn't detecting the new Wi-Fi network, even though my smartphone connects. What's wrong?

Most likely, the problem is in the router settings:

• Check that the network is broadcasting in the range 2.4 GHz (old LG they don't see 5 GHz).
• Disable the function in your router 802.11r (Fast Roaming) - it conflicts with webOS.
• Make sure that the network name (SSID) does not contain Cyrillic or special characters.

If nothing helps, reset your TV's network settings (section 4).

How do I change my Wi-Fi if I forgot my old network password?

On TVs LG The password from the old network is not required to connect to the new one. Simply:

1. Delete the old network in the settings (Settings → Network → Wi-Fi → Remove).
2. Select a new network and enter its password.

If the TV asks for a password for the old network when deleting it, reset the network settings (section 4).

After updating my firmware, my TV stopped connecting to Wi-Fi. What should I do?

This is a known issue. webOS 6.0–7.0Solutions:

• Roll back the firmware to the previous version (if you have a backup).
• Reset your TV to factory settings (Settings → General → Reset).
• Connect to the router via WPS (button on the router + selection WPS in the TV's Wi-Fi menu).

If nothing helps, contact a service center to reflash the firmware via the service menu.

Is it possible to connect an LG TV to Wi-Fi without a remote?

Yes, there are three ways:

1. Via the app LG TV Plus: connect your smartphone and TV to the same network (even if it is an old network), then in the application select Settings → Network.
2. Through the buttons on the TV: click Menu (if there is a physical button), then use the volume and channel buttons to go to the section Network.
3. Via a USB keyboard: connect it to your TV to make menu navigation easier.

My LG TV connects to Wi-Fi, but the internet isn't working. What's wrong?

Check the following:

• 🌍 Manually enter DNS in your TV's network settings: 8.8.8.8 And 8.8.4.4.
• 🔌 Make sure that the router is enabled DHCP (otherwise the TV will not receive IP).
• 🛡️ Disable it in your router MAC filtering or add the TV's MAC address to the allowed list.
• 📡 Check if your router's antivirus software is blocking access to servers LG (For example, lge.com).

If the problem persists, try connecting the TV via Ethernet to rule out problems with the Wi-Fi module.