Connecting Wi-Fi via USB: 5 Working Methods for Different Devices

Connecting to Wi-Fi via a USB cable is an unconventional, but extremely useful way to share the internet when a wireless network is unavailable or unstable. This method is useful for smart TVs without Wi-Fi, old laptops with a faulty adapter, as well as in cases where you need to create secure connection Without the risk of signal interception. Unlike traditional methods (via Ethernet or USB modem), this option allows you to use the USB port to transmit network traffic, saving other interfaces.

Many users mistakenly believe that a USB cable can only charge devices or transfer files. In fact, with the right settings, it can become a fully functional cable. network bridge between two devices. For example, you can share the Internet with Windows PC on Android smartphone (and vice versa), connect Smart TV to the network via USB-OTG, or even use USB as an alternative to Ethernet for routers with USB tethering supportThe main thing is to know the nuances of settings for each operating system and device type.

In this article we will look at 5 proven methods Wi-Fi connections via USB, including step-by-step instructions, device compatibility tables, and troubleshooting solutions. You'll learn how to bypass manufacturer restrictions, what drivers are required, and why it's sometimes easier to use reverse tethering instead of a standard USB modem.

1. Connecting an Android smartphone to Wi-Fi via USB (Reverse Tethering)

If your smartphone doesn't have Wi-Fi, but you have access to a PC with Internet, you can use reverse tethering (Reverse Tethering). This method allows you to share internet from your computer to your phone via a USB cable, bypassing mobile operator restrictions or wireless network issues.

To work you will need:

• 📱 Smartphone on Android 4.0+ with support USB Debugging (USB debugging).
• 💻 Computer with Windows 7/10/11 or Linux (this method is not suitable for MacOS).
• 🔌 A high-quality USB cable (preferably an original one, as cheap cables may not transfer data).
• 🛠 Program ClockworkMod Tether (for rooted devices) or ReverseTethering NoRoot (without root).

Step by step instructions for Windows:

1. Turn it on on your smartphone Developer mode: go to Settings → About phone → Build number and press 7 times.
2. Activate USB debugging V Settings → System → Developer Options.
3. Connect your phone to your PC and select the mode File Transfer (MTP).
4. Download and install ReverseTethering NoRoot (requires .NET Framework 4.0+).
5. Launch the program, select your device from the list and click Connect.

⚠️ Attention: Some operators (eg. MTS or Beeline) block reverse tethering on unlimited internet plans. If the connection fails, check your APN settings or use a VPN on your PC.

Install ADB drivers on your PC | Enable USB debugging on your smartphone | Download ReverseTethering NoRoot | Connect the original USB cable | Disable your antivirus (it may block the connection)

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2. Connecting Smart TV to Wi-Fi via USB (for models without Wi-Fi)

Old models Smart TV (For example, Samsung Series 5 2012–2014 or LG LB650V) often lack a built-in Wi-Fi module, but have a USB port. In this case, you can use USB Wi-Fi adapter or USB tethering from phoneThe first option is preferable, as it does not require a constant connection to the smartphone.

List of compatible USB adapters for popular TVs:

Connection instructions:

1. Purchase a compatible adapter (see table). Chip adapters Realtek RTL8188EU or Ralink RT5370 Works with 90% of TVs.
2. Insert the adapter into the TV's USB port.
3. Go to Settings → Network → Network setup → Wireless.
4. Select your Wi-Fi network and enter the password.

⚠️ Attention: Televisions Samsung older than 2016 require adapters with support WPSIf your router does not support WPS, use the method USB-tethering from a smartphone.

3. Sharing Wi-Fi from a PC to another device via USB (USB Tethering)

If your computer is connected to the internet via Ethernet or another Wi-Fi adapter, you can share that internet connection with another device (smartphone, tablet, second PC) via USB. This method is called USB-Tethering and works on all modern operating systems.

For Windows 10/11:

1. Connect the device to the PC via USB.
2. Click Win + X → Network connections.
3. Find the connection through which the PC receives the Internet (for example, Ethernet), right-click → Properties → tab Access.
4. Check the box Allow other network users to share your Internet connection.
5. Select from the drop-down list Ethernet 2 or Local Area Connection* X (this is a virtual adapter for USB).

For Linux (Ubuntu/Debian):

sudo apt install usb-modeswitch
sudo ifconfig eth0 192.168.42.1 netmask 255.255.255.0
sudo sysctl -w net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE

List of devices that support USB Tethering:

• 🖥 All PCs under Windows 7+, Linux, macOS 10.12+.
• 📱 Smartphones Android 2.3+ (including Samsung, Xiaomi, Huawei).
• 🖥 Laptops with USB 2.0/3.0 (speed limited by USB version).
• ❌ Not supported: iPhone/iPad (only via Lightning-Ethernet adapter), some Smart TV without OTG.

4. Connecting the router to the Internet via USB (3G/4G modem or smartphone)

Some routers (eg. TP-Link TL-MR3020, Asus RT-AC53, Keenetic) support internet connection via USB modem or smartphone in USB tethering modeThis is useful if you don't have a wired internet connection but have a mobile network.

Instructions for the router Keenetic:

1. Connect a 3G/4G modem (for example, Huawei E3372) or smartphone in mode USB-tethering to the router's USB port.
2. Go to the router's web interface (192.168.1.1).
3. Go to Internet → USB modem.
4. Select your device from the list and click Connect.
5. If required, enter your operator's APN (e.g. internet.beeline.ru for Beeline).

Compatible modems for popular routers:

⚠️ Attention: Routers Xiaomi (For example, Mi Router 4A) do not support USB tethering with smartphones. They require a separate 4G modem.

5. Connecting a laptop without Wi-Fi to the network via USB (Ethernet adapter)

If your laptop does not have a Wi-Fi module or it is broken, you can use USB-Ethernet adapter or USB-Wi-Fi adapterThe first option is suitable if you have a wired internet connection (from a router or ISP), the second is suitable if you need to connect to a wireless network.

Best USB Wi-Fi adapters for laptops:

• 🔹 TP-Link Archer T2U Plus (USB 3.0, 600 Mbps, support 802.11ac).
• 🔹 Asus USB-AC56 (dual antenna, 867 Mbps).
• 🔹 Edimax EW-7822ULC (compact, support MU-MIMO).
• 🔹 D-Link DWA-192 (USB 3.0, external antenna).

Connection instructions:

1. Insert the adapter into the USB port of your laptop.
2. Install the drivers from the disk or download them from the manufacturer's website (for example, for TP-Link — tp-link.com).
3. Go to Control Panel → Network and Internet → Network and Sharing Center.
4. Select your Wi-Fi network and connect by entering the password.

If the adapter is not detected:

• 🔧 Check your USB 2.0 connection (some adapters don't work with USB 3.0 without drivers).
• 🔧 Disable USB power saving in Device Manager.
• 🔧 Try a different port (especially on laptops) Lenovo or HP, where some USB ports turn off when the battery is low).

6. Solving common errors when connecting Wi-Fi via USB

Even with proper setup, problems can still arise. Let's look at the most common errors and how to fix them.

Additional tips:

• 🔄 If USB Tethering is unstable, disable it Saving battery life on a smartphone.
• 🔄 For Smart TV If you have Wi-Fi problems, try resetting your network settings: Settings → Network → Network Reset.
• 🔄 On Windows disable your firewall and antivirus (for example, Kaspersky or Avast) during setup.

FAQ: Frequently asked questions about connecting Wi-Fi via USB

netsh wlan set hostednetwork mode=allow ssid=MyNetwork key=12345678
netsh wlan start hostednetwork