1. Introduction
The Huawei E173 is a compact and versatile 3G/2G USB Modem Data Card designed to provide high-speed internet access. It supports HSPA services, offering download speeds up to 7.2 Mbps (HSDPA) and upload speeds up to 5.76 Mbps (HSUPA). This device allows you to connect to the internet via GSM, GPRS, EDGE, UMTS, and HSPA networks, making it suitable for various mobile computing needs.
Package Contents
- Huawei E173 USB Modem Data Card

Figure 1: Huawei E173 USB Modem Data Card
This image displays the Huawei E173 USB Modem Data Card, typically white or black, with a USB connector and a slot for a SIM card. It is a compact, stick-like device.
2. Safety Information
Please read the following safety precautions carefully to ensure proper and safe use of your Huawei E173 USB Modem Data Card.
- Avoid Water: Keep the device dry. Do not expose it to moisture or liquids.
- Temperature: Operate the device within recommended temperature ranges. Avoid extreme heat or cold.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use chemical cleaners.
- Disassembly: Do not attempt to disassemble or modify the device. This may void the warranty and cause damage.
- Interference: The device may cause interference with other electronic equipment. Observe all warnings and regulations.
3. Setup
3.1. Inserting the SIM/UIM Card
- Locate the SIM/UIM card slot on the side or back of the Huawei E173 modem.
- Gently slide open the cover of the SIM/UIM card slot, if present.
- Insert your 6-pin 3GPP 31.101 or 3GPP 31.102 compatible SIM/UIM card into the slot with the gold contacts facing down and the cut corner oriented correctly, as indicated on the device.
- Ensure the SIM/UIM card is fully seated.
- Close the SIM/UIM card slot cover.
3.2. Connecting to Your Computer
- Ensure your computer is powered on.
- Plug the Huawei E173 USB Modem Data Card into an available USB port on your computer.
- The operating system (Windows XP SP2 & Higher, Windows Vista, Windows 7) should automatically detect the new hardware.
3.3. Software Installation
Upon first connection, the modem typically contains built-in drivers and connection management software. The installation process should start automatically:
- If prompted, follow the on-screen instructions to install the drivers and connection manager software.
- Once installation is complete, a shortcut to the connection manager software may appear on your desktop.
- Launch the connection manager software to configure your network settings and connect to the internet.
Note: If the auto-installation does not start, navigate to "My Computer" or "This PC", locate the drive associated with the modem (it often appears as a CD-ROM drive), and run the setup file manually.
4. Operating the Modem
4.1. Connecting to the Internet
- Launch the connection manager software installed during setup.
- The software will display available network types (GSM, GPRS, EDGE, UMTS, HSPA) and signal strength.
- Ensure your SIM/UIM card is active and has a data plan.
- Configure the Access Point Name (APN) settings if required by your network provider. This is usually done within the connection manager software.
- Click the "Connect" button within the software to establish an internet connection.
- The modem's indicator light will change to show a successful connection.
4.2. Voice Call and Video Call Support
The Huawei E173 supports voice call and video call functionalities through its connection manager software. You can initiate and receive calls directly from your computer, provided your SIM card supports these services and you have a microphone and speakers connected to your PC.
4.3. SMS and Phonebook Management
The connection manager software includes features for sending and receiving SMS messages. It also provides a phonebook function to store and manage contacts, allowing for easy communication.
4.4. USSD Support (Balance Check)
The modem supports Unstructured Supplementary Service Data (USSD) commands. This feature allows you to perform actions such as checking your account balance, activating services, or managing your data plan directly through the connection manager software by entering specific USSD codes provided by your mobile network operator.
5. Maintenance
- Cleaning: Use a soft, lint-free, dry cloth to clean the modem. Do not use liquid or aerosol cleaners.
- Storage: When not in use, store the modem in a cool, dry place, away from direct sunlight and extreme temperatures.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
- Software Updates: Periodically check for software updates for the connection manager from the Huawei support website to ensure optimal performance and security.
6. Troubleshooting
6.1. Modem Not Detected by Computer
- Ensure the modem is securely plugged into a functional USB port. Try a different USB port.
- Restart your computer.
- Check Device Manager (Windows) to see if the modem is listed, and if there are any driver issues. Reinstall drivers if necessary.
6.2. Cannot Connect to Network
- Verify that the SIM/UIM card is correctly inserted and active.
- Check your network coverage in your current location.
- Ensure your data plan is active and has sufficient balance.
- Confirm that the Access Point Name (APN) settings in the connection manager software are correct for your network provider.
- Try manually selecting your network operator within the connection manager software.
6.3. Slow Internet Speed
- Check the signal strength indicator in the connection manager software. Low signal strength can lead to slower speeds.
- Move to a location with better network coverage.
- Network congestion can affect speeds. Try connecting at a different time.
- Ensure no other applications are consuming significant bandwidth on your computer.
7. Specifications
| Model | E173 |
| Form Factor | USB Stick |
| Network Type | GSM, GPRS, EDGE, UMTS, HSPA |
| HSDPA Services | Up to 7.2 Mbps |
| HSUPA Services | Up to 5.76 Mbps |
| SIM/UIM Support | 6 Pin 3GPP 31.101, 3GPP 31.102 |
| Operating System Compatibility | Windows XP SP2 & Higher, Windows Vista, Windows 7 |
| Connectivity Technology | USB |
| Color | White, Black |
| Dimensions | 11.4 x 7.4 x 3.4 cm |
| Weight | 99.8 g |
8. Warranty and Support
For information regarding the product warranty, please refer to the warranty card included with your purchase or visit the official Huawei support website. For technical assistance, driver downloads, or further inquiries, please contact Huawei customer support through their official channels.
Official Huawei Support: https://consumer.huawei.com/en/support/





