1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your HUAWEI H112-372 5G CPE Wi-Fi Router. This device is designed to provide high-speed internet access using 5G cellular technology, converting it into a Wi-Fi signal for your home or office network. Please read this manual carefully before using the device to ensure proper functionality and safety.
2. Product Overview
The HUAWEI H112-372 is a 5G CPE (Customer Premises Equipment) Wi-Fi Router that supports 5G connectivity and dual-band Wi-Fi (802.11ac). It is designed for stable and fast wireless internet access.
2.1 Device Components

Figure 1: Front view of the HUAWEI H112-372 5G CPE Wi-Fi Router, showing the HUAWEI logo and indicator lights.
The router features a minimalist design with indicator lights on the front panel. The rear panel typically includes ports for power, Ethernet, and a SIM card slot.
2.2 Indicator Lights
- 5G Indicator: Indicates 5G network status.
- 4G Indicator: Indicates 4G network status.
- Wi-Fi Indicator: Shows Wi-Fi network activity.
- Signal Strength Indicators: Typically a series of lights indicating the strength of the cellular signal.
- Power Indicator: Indicates the power status of the device.
3. Setup
Follow these steps to set up your HUAWEI H112-372 router.
3.1 SIM Card Installation
- Locate the SIM card slot, usually on the bottom or rear panel of the router.
- Insert a standard Nano-SIM card into the slot with the gold contacts facing down and the notched corner aligned correctly. Ensure it clicks into place.
- Do not force the SIM card. If it does not fit, verify the orientation.

Figure 2: Side view of the router, illustrating where ports like the SIM card slot might be located.
3.2 Power Connection
- Connect the power adapter to the router's power port.
- Plug the power adapter into a wall outlet.
- The power indicator light should turn on, indicating the device is receiving power.
3.3 Initial Network Connection
- Wait for the router to power on and establish a cellular connection. The 5G or 4G indicator should turn solid.
- On your computer or smartphone, search for available Wi-Fi networks.
- Connect to the Wi-Fi network name (SSID) printed on the label at the bottom of your router.
- Enter the Wi-Fi password (WPA Key) also found on the router's label.
4. Operating Instructions
4.1 Accessing the Web Management Interface
- Ensure your device is connected to the router's Wi-Fi network or via an Ethernet cable.
- Open a web browser and enter the default IP address (e.g., 192.168.8.1 or 192.168.1.1) or the web address (e.g., home.cpe) printed on the router's label.
- Enter the username and password, also found on the router's label.
- Follow the on-screen prompts for initial setup, including changing the default Wi-Fi name and password for security.
4.2 Basic Settings
- Wi-Fi Name (SSID) and Password: Navigate to the Wi-Fi settings to customize your network name and password. It is recommended to use a strong, unique password.
- Network Mode: The router supports 5G and 4G connectivity. You can typically configure preferred network modes (e.g., Auto, 5G Only, 4G Only) in the settings.
- Access Point Mode: This router supports Access Point Mode, allowing it to extend an existing wired network's Wi-Fi coverage. Refer to the web management interface for specific configuration steps if you wish to use this feature.
- Security Protocol: The device supports WPS (Wi-Fi Protected Setup) for easy connection, but for enhanced security, manual password entry is recommended.
5. Maintenance
- Regular Reboots: Periodically restarting your router (e.g., once a month) can help maintain optimal performance and resolve minor network issues.
- Firmware Updates: Check the web management interface for available firmware updates. Keeping your router's firmware up-to-date ensures you have the latest features, security patches, and performance improvements.
- Cleaning: Use a soft, dry cloth to clean the exterior of the router. Avoid using liquid cleaners or abrasive materials. Ensure ventilation openings are free from dust.
- Placement: Place the router in an open area, away from obstructions, large metal objects, and other electronic devices that may cause interference. Optimal placement improves Wi-Fi signal strength and cellular reception.
6. Troubleshooting
6.1 Common Issues and Solutions
- No Internet Connection:
- Check if the 5G/4G indicator is solid. If not, ensure the SIM card is correctly inserted and active.
- Restart the router and your connected device.
- Verify network settings in the web management interface.
- Contact your mobile network provider to confirm service availability.
- Slow Wi-Fi Speed:
- Ensure the router is placed in a central location, away from interference.
- Check for other devices consuming bandwidth.
- Restart the router.
- Consider changing Wi-Fi channels in the web management interface to avoid congestion.
- Cannot Access Web Management Interface:
- Verify your device is connected to the router's Wi-Fi or via an Ethernet cable.
- Ensure you are using the correct IP address or web address.
- Clear your browser's cache or try a different browser.
6.2 Resetting the Router
If you encounter persistent issues, you may need to reset the router to its factory default settings. Locate the reset button (often a small pinhole) on the router. With the router powered on, use a pin or paperclip to press and hold the reset button for approximately 5-10 seconds until the indicators flash. The router will then restart with factory settings, requiring re-configuration.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | HUAWEI |
| Model Name | H112-372 |
| Connectivity Technology | 5G, Wi-Fi |
| Wireless Communication Standard | 802.11ac |
| Frequency Band Class | Dual-Band |
| Operating System | RouterOS |
| Special Features | Access Point Mode |
| Security Protocol | WPS |
| Color | White |
| Item Weight | 1.6 Kilograms |
| Manufacturer | Huawei |
8. Safety Information
- Use only the original power adapter provided with the device.
- Do not expose the device to extreme temperatures, direct sunlight, or humid environments.
- Keep the device away from water and other liquids.
- Do not attempt to disassemble or repair the device yourself. Contact authorized service personnel for assistance.
- Ensure proper ventilation to prevent overheating.
9. Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official HUAWEI support website. You can also contact HUAWEI customer service for assistance with product inquiries, troubleshooting, and service requests.
HUAWEI Official Website: consumer.huawei.com