How to make a modem share Wi-Fi from a computer: 3 working methods + troubleshooting

Want to turn your computer into a full-fledged Wi-Fi hotspot using a connected 3G/4G modem? It's possible—and you don't need a separate router. This approach is useful when traveling, at the cottage, or when you urgently need to connect several devices to the internet via a single modem. However, there are some caveats: not all modems support this mode, and the settings depend on the hardware model and Windows version.

In this article we will look at three proven methods Organize Wi-Fi sharing from your computer via a modem: using built-in Windows tools, third-party programs, and by flashing the modem into router mode. You'll also learn how to avoid common mistakes (for example, Error 1068 (or the absence of a network in the connection list) and which modems are best suited for this task. If you need to share internet with a smartphone, tablet, or a second computer, read on.

Spoiler: the most reliable method is to flash the modem to router mode, but it's not suitable for all devices. For most users, standard Windows tools or a program will suffice. ConnectifyAnd if you have a modem from Megaphone, Beeline or MTS With Wi-Fi functionality, you're in luck: setup takes just 5 minutes.

📊 What modem do you have?
USB modem (3G/4G)
USB modem with antenna connector
Modem router (with Wi-Fi support)
I don't know the model
Another

1. Compatibility check: is your modem suitable for Wi-Fi distribution?

Before setting up distribution, make sure that your equipment supports this mode. Not all modems can work as an access point. — it depends on the chipset and firmware. Here are the key points:

Supports Wi-Fi distribution (more often):

  • 🔹 Modem routers with a SIM card slot and built-in Wi-Fi (for example, Huawei E5577, ZTE MF920, TP-Link M7350).
  • 🔹 USB modems with chipsets Qualcomm MDM9207, Huawei HiSilicon (For example, Huawei E3372, MegaFon M150-2).
  • 🔹 Modems that support the mode NDIS (checked in device manager).

Not supported or require firmware:

  • 🔸 Old modems with chipsets Option Globetrotter (For example, Beeline E173).
  • 🔸 Modems with locked firmware (many models from Yota or Tele2).
  • 🔸 Devices identified as "network adapter" without function Wi-Fi Hotspot.

🔍 How to test your modem?

  1. Connect the modem to the computer.
  2. Open device Manager (Win + X → Device Manager).
  3. Find the section Network adapters - if there is the name of your modem with a note NDIS or Remote NDIS, the chances are high.
⚠️ Attention: If your modem provides Internet only through its own software (for example, MegaFon Internet or MTS Connect Manager), sharing via Windows may not work. In this case, only firmware or a third-party program will help.

2. Method 1: Sharing Wi-Fi using built-in Windows tools (without programs)

This is the simplest method, but it does not work with all modems. The main condition: Your modem should be detected as a network adapter (not as "modem" in the section COM ports). The instructions are valid for Windows 7, 10, and 11.

📌 Step 1: Run Command Prompt as Administrator

  • Click Win + X and select Terminal (Administrator) or Command Prompt (Administrator).
  • Enter the command to check distribution support:
    netsh wlan show drivers

    Look for the line Hosted network support: yes. If there No — the method won't work.

📌 Step 2: Create a virtual access point

  • Enter the command to configure the network (replace MyWiFi And 12345678 to your name and password):
    netsh wlan set hostednetwork mode=allow ssid=MyWiFi key=12345678
  • Start the distribution:
    netsh wlan start hostednetwork

📌 Step 3: Sharing your internet connection

  • Open Control Panel → Network and Sharing Center → Change adapter settings.
  • Find your modem connection (usually with the operator name), right-click → Properties → Access.
  • Check the box Allow other network users to share your Internet connection and select the created network (Local Area Connection* X).

Ready! Now other devices can connect to your network. MyWiFiTo stop seeding, use the command:

netsh wlan stop hostednetwork
⚠️ Attention: If the internet doesn't work after connecting your devices, check your Windows Firewall. Sometimes it blocks connections. Add an exception for svchost.exe in the firewall settings.

The modem is detected as a network adapter (not as a COM port)|

The command `netsh wlan show drivers` contains the line "Hosted network support: yes"|

VPN and proxy servers are disabled|

Antivirus does not block network connections-->

3. Method 2: Sharing via third-party programs (if Windows refuses)

If Windows' built-in tools don't work, specialized utilities can help. They bypass system limitations and often support modems that Windows doesn't recognize as sharing adapters. Top 3 Programs for Sharing Wi-Fi from a Modem:

Program Pros Cons Price
Connectify Hotspot Works with most modems, simple interface, supports 5 GHz The free version is limited to 3 connected devices. Free / $25 for PRO
MyPublicWiFi Lightweight, no installation required, supports website blocking The interface is in English, there is no support for 5 GHz. For free
mHotspot Shows the speed of connected devices, supports up to 10 clients The free version has ads and sometimes conflicts with antivirus software. Free / $20 for Premium

📌 Instructions for Connectify Hotspot (recommended for beginners):

  1. Download and install the program from official website.
  2. In the section Wi-Fi Hotspot select your modem in the field Internet to Share.
  3. Set the network name (Hotspot Name) and password (Password).
  4. Click Start Hotspot.

🔹 If the program does not see the modem:

  • Check if the modem is detected in Device Manager as a network adapter.
  • Update your modem driver (download from the manufacturer's website, not through Windows Update).
  • Disable the built-in Windows hotspot (command netsh wlan stop hostednetwork).

4. Method 3: Flashing the modem into router mode (for advanced users)

This method is suitable for USB modems, which can be reflashed into a full-fledged Wi-Fi router. Advantages:

  • 🔹 The modem will distribute Wi-Fi automatically, without the computer being turned on.
  • 🔹 Support for a larger number of connected devices (up to 10-15).
  • 🔹 More stable than software distribution from a PC.

⚠️ Risks:

  • 🔸 You can brick your modem if you install the wrong firmware.
  • 🔸 The manufacturer's warranty will be voided.
  • 🔸 Not all modems support alternative firmware.

📌 Suitable modems for flashing:

  • 🔧 Huawei E3372 (firmware in Hilink-mode).
  • 🔧 ZTE MF823 (firmware on OpenWRT).
  • 🔧 Alcatel One Touch L800 (firmware in router mode).

🛠 Step by step instructions for Huawei E3372:

  1. Download the firmware Hilink for your modem revision (for example, E3372h-153) from the forum 4PDA.
  2. Install the driver DC-Unlocker to unlock the modem.
  3. Run the firmware utility (for example, Huawei Modem Unlocker) and select the firmware file.
  4. Wait until it is completed (the modem will reboot).
  5. Connect to the new Wi-Fi network (the name and password will be on the modem sticker).
⚠️ Attention: Modem firmware from Megaphone/MTS/Beeline may require IMEI unlocking. Check on relevant forums (for example, 4PDA or XDA-Developers), which firmware is suitable for your device revision.
What should I do if the modem doesn't turn on after updating the firmware?

If your modem stops responding to USB connection, try:

1. Hold down the reset button (if available) for 10-15 seconds.

2. Connect to another USB port (preferably USB 2.0).

3. Reinstall the driver manually via device Manager, specifying the path to the folder with the firmware.

4. Use the program Huawei Modem Repair Tool (for Huawei devices).

If all else fails, the modem may be bricked and require flash memory resoldering at a service center.

5. Typical mistakes and their solutions

Even with the correct setup, problems may arise. Here top 5 mistakes and ways to fix them:

Error Cause Solution
Failed to start the hosted network. The group or resource is not in the required state. (Error 1068) Windows service or driver conflict
  1. Start the services:
    net start WlanSvc
    

    net start SharedAccess

  2. Reinstall the Wi-Fi adapter driver.
The devices connect, but the internet doesn't work. Sharing is not configured or blocked by a firewall
  1. Check your sharing settings (see Method 1).
  2. Disable your firewall temporarily for testing.
The modem is not detected as a network adapter. Outdated or incorrect driver Download the driver from the modem manufacturer's website (not via Windows Update!).
The network disappears after rebooting the PC. Hosted network settings not saved Create .bat-file with startup commands and add it to startup.
Low upload speed (less than 1 Mbps) USB port limitation or modem overheating
  1. Connect the modem to the port USB 3.0 (blue connector).
  2. Use a USB hub with external power.

🔧 Additional tips:

  • 🔹 If the distribution is unstable, try disable power saving for USB ports in Device Manager.
  • 🔹 For modems Huawei Sometimes changing the operating mode helps NDIS on Modem (in the driver settings).
  • 🔹 If you use VPN, turn it off before sharing - it may block sharing.

6. How to boost Wi-Fi signal when sharing from a modem?

If your modem is distributing Wi-Fi but the signal is weak, there are several ways to improve coverage:

📶 Hardware methods:

  • 📡 Use USB extension cable (up to 2-3 meters) and place the modem higher (for example, on a cabinet).
  • 🛡 Connect external antenna (if the modem supports the connector CRC9 or TS-9).
  • 🔋 Use Powered USB hub - this stabilizes the modem's operation.

🖥 Software methods:

  • 🔄 Change Wi-Fi channel in the access point settings (via Connectify or command line). Optimal channels: 1, 6, 11 (for 2.4 GHz).
  • 📶 Reduce transmit power (if the devices are close) - this will reduce interference:
    netsh wlan set hostednetwork maxclients=5 txpower=70

    (Where 70 — percentage of power).

  • 🔒 Turn it off energy savings for Wi-Fi adapter in Device Manager.

Extreme method for advanced users: If your modem supports the mode Hilink (For example, Huawei E3372), after flashing the firmware, you can connect it to the router via the port WAN and distribute Wi-Fi through a more powerful router transmitting module.

7. Alternative options: when PC distribution is not suitable

If none of the methods work, consider alternatives:

🔄 Option 1: Buy a Wi-Fi router with USB modem support

  • 🔹 Models: TP-Link TL-MR3420, ASUS RT-N12+, Keenetic 4G.
  • 🔹 Pros: stable signal, support for multiple devices, no PC dependency.
  • 🔹 Cons: additional costs (from 2000 ₽).

📶 Option 2: Use your smartphone as a hotspot

  • 🔹 Connect the modem to the phone via an OTG adapter (works on many Android-devices).
  • 🔹 Turn on the mode Modem and access point in the phone settings.
  • 🔹 Pros: no need to configure a PC, mobility.
  • 🔹 Cons: The phone's battery drains quickly.

💡 Option 3: Cloud service (for temporary access)

  • 🔹 Install the program on your PC TeamViewer or AnyDesk.
  • 🔹 Connect to your PC from another device and use its internet connection via Remote Desktop.
  • 🔹 Pros: Works even if your modem doesn't support sharing.
  • 🔹 Cons: High latency, not suitable for streaming or gaming.
⚠️ Attention: If you often distribute the Internet via a modem, keep an eye on your tariff - many operators limit traffic when using a modem as a router (for example, Megaphone may reduce speed after 15 GB).

FAQ: Frequently asked questions about sharing Wi-Fi from a modem

Can I share Wi-Fi from my modem if I have Windows 7?

Yes, but there are some nuances:

  • There is no built-in command in Windows 7. netsh wlan start hostednetwork, but it can be added by installing an update KB976054.
  • Or use third-party programs (Connectify or MyPublicWiFi).

Also check that your modem supports the mode NDIS - in Windows 7 this is critical.

Why does it say "No internet access" after connecting to my Wi-Fi network?

This is the most common problem. Causes and solutions:

  1. Sharing is not configured: Go back to Step 3 in Method 1 and check the box Allow other users....
  2. Blocked by antivirus/firewall: Disable protection temporarily and check the connection.
  3. IP address conflict: At the command prompt, enter:
    ipconfig /release
    

    ipconfig /renew

  4. DNS issues: Try manually entering DNS (for example, 8.8.8.8 And 8.8.4.4) in the connection settings.

If nothing helps, try change network type With Public on Private in Windows settings.

Is it possible to share Wi-Fi from a modem on MacOS?

Yes, but the setup is different from Windows. You'll need:

  1. Make sure your modem is supported by MacOS (check the manufacturer's website).
  2. Turn on Internet access sharing V System Preferences → Sharing.
  3. Select the source (your modem) and specify the distribution via Wi-Fi.

For some modems (eg. Huawei) you may need to install additional drivers, for example, Huawei Mobile Partner for Mac.

⚠️ Attention: MacOS often blocks USB modem sharing due to kernel limitations. If that doesn't work, try using a Windows virtual machine.

Which modem is best for distributing Wi-Fi without a PC?

If you need a modem that distributes Wi-Fi on its own (without being tied to a computer), consider these models:

Model Speed ​​(Mbps) Number of devices Battery Price (≈)
Huawei E5577C 150 (4G) up to 10 1500 mAh 3 500 ₽
ZTE MF920V 300 (4G) up to 15 2000 mAh 4 200 ₽
TP-Link M7350 150 (4G) up to 10 2000 mAh 3 800 ₽
Alcatel LINKZONE MW41 150 (4G) up to 15 1800 mAh 3 000 ₽

💡 Advice: If you need a modem for travel, choose a model with a battery of ≥2000 mAh. For home use, a battery-less model (powered by a wall outlet) is also suitable.

Is it legal to share internet from a modem to other devices?

From a legal point of view:

  • 🔹 For personal use (distribution to your devices) - no problem.
  • 🔹 For public access (for example, in a cafe or to guests) - the operator's consent is required, as this is considered reselling traffic.

📜 What the operators say:

  • Megaphone And MTS Officially, they allow distribution to personal devices, but they may limit the speed if the traffic limit is exceeded.
  • Beeline And Tele2 They don't prohibit distribution, but the tariff may state "only for one device."
  • Yota blocks distribution via USB modems at the firmware level (requires reflashing).

🔍 How to check: Read the contract or terms of your plan on the operator's website. Look for clauses about "personal use" or "multi-user access."