Connecting your computer to the Internet via a smartphone Android by USB cable is one of the most stable and fastest ways to distribute mobile traffic. Unlike Wi-Fi or Bluetooth, a USB connection is not affected by interference, provides minimal delays and saves phone battery power. This technology is especially relevant when there is no router at hand, and the speed of mobile data (4G/5G) exceeds the capabilities of a wired connection.

In this article you will find step-by-step guide for all versions Android (from Android 8.0 Oreo to Android 14), including solutions to typical problems: when the computer does not see the phone, drivers are not installed, or the connection is constantly disconnected. We will also compare a USB modem with alternative methods of Internet distribution and give recommendations for optimizing speed.

The advantages of connecting via USB over Wi-Fi and Bluetooth

The choice of Internet distribution method depends on your tasks. The USB connection wins in several key ways:

  • 🔌 Stability: no interference from other devices or walls, as is the case with Wi-Fi.
  • ⚡ Speed: USB 2.0 throughput (up to 480 Mbps) is higher than that Bluetooth 4.0 (up to 25 Mbps), and comparable to Wi-Fi 5 (up to 866 Mbit/s), but without loss over distance.
  • 🔋 Battery saving: the phone consumes less energy than when operating in Wi-Fi-access point mode.
  • 🛡️ Security: data is transmitted over a physical cable, which eliminates traffic interception, which is possible when using open Wi-Finetworks.

However, the method also has limitations. For example, A USB modem will not allow you to connect several devices at the same time (unlike Wi-Fi), and the cable length should not exceed 3–5 meters for stable operation. Also, some mobile operators may block Internet distribution via USB - this depends on the tariff plan.

📊 Which method of Internet distribution do you use more often?
By USB
By Wi-Fi
Via Bluetooth
Never distributed

What you will need to connect

Before setting up, make sure you have everything you need:

  • 📱 Smartphone on Android version 6.0 and higher (on older versions it may not work or require root access).
  • 💻 Computer running Windows 7/8/10/11, macOS or Linux.
  • 🔌 USB cable (preferably original, since cheap cables may not support transmission data).
  • 📶 mobile data with sufficient traffic (check if your operator is blocking the distribution).

Also make sure that on the phone mobile data is enabled (icon 4G/5G/LTE in the status bar) and Airplane mode is disabled. If you use Windows, you may need to install drivers - we'll talk about this below.

☑️ Preparing for connection

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Step-by-step guide: how to enable USB modem for Android

The connection process takes no more than a minute if you follow the algorithm:

  1. Connect the phone to the computer using USB cable. A notification about the connection type will appear on the phone screen (for example, “Charging via USB”).

  2. Expand the notification panel and click on the connection message. In the window that opens, select Data transfer (or USB modem, if there is such an item).

  3. Go to Settings → Network and Internet → Access point and modem (the path may differ in depending on the manufacturer).

  4. Activate the switch USB modem. On some phones (for example, Xiaomi or Samsung), this item may be called USB Internet.

After this, the computer should automatically gain access to the Internet. If this does not happen, check network connections on your PC or install drivers (more on this in the next section).

What to do if the “USB modem” item is not in the settings?

On some firmware (for example, on ColorOS from Oppo or MIUI from Xiaomi) this item can be hidden. Try to enable Developer mode and activate the option USB debugging in Settings → About phone → Software version (click 7 times on the build number).

Computer setup (Windows, macOS, Linux)

In most cases, Windows 10/11 and macOS automatically recognize the USB modem and install necessary drivers. However, sometimes manual configuration is required.

For Windows

If the Internet does not appear after connecting:

  1. Open Device Manager (Win + X → Manager devices).
  2. Find the section Network adapters and check if there is a device named Remote NDIS or USB Ethernet/RNDIS.
  3. If there is an exclamation mark next to the device, right-click on it and select Update driver.

If the driver is not installed automatically, download it from the phone manufacturer's website (for example, for Samsung — Samsung Smart Switch, for Xiaomi — Mi PC Suite).

For macOS

On Mac usually it is enough to connect the phone and turn on USB modem in the settings Android. If the Internet does not work:

  • Check System settings → Network - a new connection should appear USB.
  • If it is not there, restart your phone and computer.

For Linux

On most distributions (for example, Ubuntu or Fedora) The USB modem works out of the box. If not:

  1. Open a terminal and enter the command: 
    lsusb

    Make sure that your phone is detected in the list of devices.

  2. Install the package usb-modeswitch: 
    sudo apt install usb-modeswitch
💡

If the computer does not see the phone, try using a different USB port (preferably USB 3.0, marked in blue).

Solving common problems

Even with correct configuration, errors may occur. Let's look at the most common of them and how to fix them.

Problem Possible cause Solution
The computer does not see the phone Faulty cable, transmission mode is disabled data Try a different cable or select File transfer when connecting
No Internet access Operator blocks distribution, drivers are not installed Check the tariff or install the driver RNDIS manually
The connection is constantly disconnected Saving battery power on the phone, unstable mobile signal Disconnect Adaptive battery in the settings and reboot the phone
Low Internet speed Operator restrictions, background applications Check the speed on your phone without sharing, close unnecessary ones apps

If none of the solutions helped, try reset network settings on your phone (Settings → System → Reset → Reset Wi-Fi, mobile network and Bluetooth settings). This will delete all saved networks, but often solves connection problems.

💡

Most problems with a USB modem are related to drivers or operator settings. Always start diagnostics by checking the cable and data transfer mode.

Comparison of a USB modem with other distribution methods

USB is not the only way to connect a computer to the Internet via a phone. Let's consider the alternatives and their features:

  • 📶 Wi-Fi access point: convenient for several devices, but consumes phone power and can slow down with a weak signal.
  • 🔵 Bluetooth modem: saves battery, but is limited in speed (up to 25 Mbit/s) and range (up to 10 meters).
  • 🔌 USB modem: the fastest and most stable, but requires a cable and is not suitable for tablets or other phones.

The choice depends on your priorities:

  • Need maximum speed (for example, for online games or downloading files) → USB.
  • You need to connect several devices (laptop + tablet) → Wi-Fi.
  • Important minimum charge consumption (for example, on a trip) → Bluetooth.

For long-term work on the computer USB modem remains the optimal choice due to the balance of speed, stability and economy energy.

📊 Which method of Internet distribution do you consider the most reliable?
USB
Wi-Fi
Bluetooth
I don’t know

How to increase the speed of USB Internet

If the connection speed via USB is lower than expected, try the following optimization methods:

  1. Disable background applications on your phone and computer that can consume traffic (for example, cloud services or instant messengers).

  2. Check your operator's restrictions: some tariffs artificially reduce the speed when distributing the Internet. Check the conditions in your personal account or with support.

  3. Use USB 3.0: if your phone and computer support USB 3.0 (the port is usually blue), use the appropriate cable to increase bandwidth.

  4. Update your phone's firmware: manufacturers regularly release updates, improving the operation of the modem. Check for updates in Settings → System → Software update.

It's also worth checking USB connection mode. On some phones (for example, Samsung Galaxy), when you select File transfer the speed may drop. In this case, switch to Charging only or USB modem manually.

💡

If you use Windows, open Dispatcher tasks (Ctrl+Shift+Escand check if any application is loading the network (for example, Steam or uTorrent).

Security when using a USB modem

Although a USB connection is considered more secure than Wi-Fi, there are several nuances that are worth remembering:

  • 🔒 Turn off the modemwhen it is not needed to avoid unauthorized access to your phone through USB.
  • 🛡️ Use a VPNif you connect to public networks via phone (for example, in a cafe or airport).
  • 📵 Configure restrictions for mobile data to avoid unexpected expenses (in Settings → Network and Internet → Mobile network → Traffic warning).

Also pay attention to USB debugging settingsIf you previously enabled USB debugging for development, disable it in Settings → System → For developersto prevent potential vulnerabilities.

⚠️ Attention: some malware can be distributed through USB connection. Do not connect your phone to public computers (for example, in an Internet cafe) unless absolutely necessary.

FAQ: answers to frequently asked questions

Is it possible to distribute the Internet via USB if there is no mobile data on the phone (only Wi-Fi)?

No, the USB modem only works with mobile data (3G/4G/5G). If you want to distribute Wi-Fi from your phone to your computer, use bridge mode (requires root or special applications like NetShare).

Why does the computer write “Unidentified device” when connecting the phone?

This means that the driver RNDIS is not installed. Download it from the phone manufacturer's website or install it via Device Manager (select “Update driver” → “Search for drivers on this computer” → “Select from the list” → Remote NDIS).

Can you use a USB modem for online games?

Yes, but take into account the delays (ping) of your mobile operator. For competitive games (for example, CS2 or Valorant) it is better to use a wired connection or Wi-Fi 6. suitable for MMORPG or custom projects.

How to disable the USB modem if the phone does not respond?

If the phone screen is locked or frozen, disconnect the cable from the computer. As a last resort, restart the phone by holding the power button for 10–15. seconds.

Will the phone discharge faster with a USB modem?

No, when the phone is connected via USB charging from the computer, so battery consumption is minimal. In some cases the charge even increases. The exception is if you are using a weak USB port (for example, on a keyboard), which does not provide sufficient current.

If your question is not covered in the article, check the settings of your phone or contact operator support - some restrictions (for example, blocking distribution) depend on the tariff plan.

⚠️ Attention: settings interface and available options may vary depending on the version Android and firmware of the manufacturer. For accurate information, check the user manual of your phone.