Fix No Internet Problem on 4G USB WiFi Modem: The APN Configuration Method

Updated at: 23/06/2025

Is your 4G USB WiFi modem refusing to connect to the internet? Don't despair! A common culprit is incorrect APN settings. This guide provides a step-by-step solution to troubleshoot and fix your connection issues using the APN configuration method. We'll walk you through identifying the correct APN for your carrier and applying the settings to your modem, getting you back online quickly and easily. Let's get connected!

Step-by-Step Instructions

  1. Connect to Modem

    • Connect your handset to your 4G USB WiFi modem via Wi-Fi.
    Connect your handset to your 4G USB WiFi modem via Wi-Fi.
    Connect to Modem

  2. Access Modem Control Panel

    • Open a web browser on your connected handset and type 192.168.100.1 into the address bar. Press Enter.
    • Log in to your modem's control panel using the default credentials (usually 'admin' for both username and password).
    Log in to your modem's control panel using the default credentials (usually 'admin' for both username and password). Log in to your modem's control panel using the default credentials (usually 'admin' for both username and password).
    Access Modem Control Panel

  3. Navigate to APN Settings

    • Navigate to the 'Advanced Settings' and then the 'APN' settings.
    Navigate to the 'Advanced Settings' and then the 'APN' settings.
    Navigate to APN Settings

  4. Delete Existing APN

    • Delete any existing APN settings.
    Delete any existing APN settings.
    Delete Existing APN

  5. Create New APN

    • Click 'New' to create a new APN setting.
    • Enter the correct APN name and configuration details for your mobile operator. You can find this information by searching '[Your Mobile Operator] APN settings' on Google.
    • Click 'Modify', then 'OK'.
    Click 'Modify', then 'OK'. Click 'Modify', then 'OK'. Click 'Modify', then 'OK'.
    Create New APN

  6. Set as Default & Save

    • Select the new APN as the default.
    • Save the changes and check your internet connection.
    Save the changes and check your internet connection. Save the changes and check your internet connection.
    Set as Default & Save
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Tips

  • Ensure you have the correct APN settings for your mobile operator. Incorrect settings will prevent internet connectivity.
  • If you encounter problems, double-check your APN settings and try restarting your modem.

Common Mistakes to Avoid

1. Incorrect APN Settings

Reason: Entering the wrong Access Point Name (APN) for your mobile carrier prevents the modem from connecting to the internet.
Solution: Double-check your APN settings with your carrier's website or customer support and ensure they are entered correctly in your modem's configuration.

2. Data Connection Disabled or Limited

Reason: Your mobile data plan might be inactive, paused, or have a data limit reached, resulting in no internet access.
Solution: Verify your data plan's status with your carrier and ensure data is enabled on your mobile device or in your modem's settings.

3. Incorrect Modem Driver Installation

Reason: Outdated or missing drivers prevent your computer from communicating properly with the 4G USB modem.
Solution: Reinstall the latest drivers for your 4G USB modem from the manufacturer's website.

FAQs