1. Introduction
The Huawei e5575s-320 Pocket Cube is a portable 3G/4G LTE mobile Wi-Fi hotspot designed to provide high-speed internet access on the go. This device allows you to share a cellular data connection with multiple Wi-Fi-enabled devices simultaneously. It supports a wide range of 3G and 4G networks globally, offering flexibility for international use.
Figure 1: Huawei Pocket Cube Mobile Hotspot and Charging Adapter
Package Contents:
- 1 x Huawei e5575s-320 Pocket Cube Mobile Hotspot
- 1 x Battery
- 1 x USB Cable
- 1 x Quick Start Guide (not included in this manual)
2. Setup
2.1 Charging the Device
- Connect the USB cable to the charging port on the Pocket Cube.
- Connect the other end of the USB cable to a compatible USB power adapter or a computer's USB port.
- The device's indicator lights will show charging status. Ensure the device is fully charged before first use for optimal battery life.
2.2 Inserting the SIM Card
- Power off the device if it is on.
- Locate the SIM card slot, usually under the battery cover or on the side.
- Insert a compatible 4G SIM card into the slot, ensuring correct orientation.
- Replace the battery cover if removed.
2.3 Powering On/Off
- To Power On: Press and hold the power button until the indicators light up.
- To Power Off: Press and hold the power button until the indicators turn off.
3. Operating the Device
3.1 Connecting to Wi-Fi
Once powered on, the Pocket Cube will broadcast a Wi-Fi network. You can find the Wi-Fi network name (SSID) and password displayed on the device's screen or on a label inside the battery compartment.
Figure 2: Device screen showing Wi-Fi SSID and Password
- On your Wi-Fi-enabled device (e.g., smartphone, laptop), search for available Wi-Fi networks.
- Select the network name (SSID) corresponding to your Pocket Cube.
- Enter the Wi-Fi password when prompted.
- Your device should now be connected to the internet via the Pocket Cube.
3.2 LED Indicators
The device features LED indicators to show its status:
- Signal Indicator: Shows the strength of the 3G/4G cellular signal.
- Wi-Fi Indicator: Indicates if Wi-Fi is active.
- Battery Indicator: Displays the current battery level.
- SMS Indicator: Notifies of new messages (if supported and configured).
Figure 3: Rear view with LED indicators
4. Maintenance
4.1 Battery Care
- Avoid exposing the battery to extreme temperatures.
- Do not puncture or damage the battery.
- Charge the device regularly, but avoid overcharging for extended periods.
- If storing the device for a long time, charge the battery to about 50% and store in a cool, dry place.
4.2 Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
5. Troubleshooting
5.1 No Internet Connection
- Check SIM Card: Ensure the SIM card is correctly inserted and active with a data plan.
- Signal Strength: Verify the signal indicator. If signal is weak or absent, move to an area with better coverage.
- Device Connection: Confirm your Wi-Fi device is connected to the Pocket Cube's network.
- Restart: Power off the Pocket Cube, wait a few seconds, then power it back on.
5.2 Cannot Connect to Wi-Fi
- Correct Password: Double-check the Wi-Fi password (SSID and password are shown on the device screen, see Figure 2).
- Device Limit: Ensure you haven't exceeded the maximum number of connected devices (typically 10 for mobile hotspots).
- Restart: Restart both the Pocket Cube and your Wi-Fi-enabled device.
5.3 Slow Internet Speed
- Signal Strength: A weak cellular signal will result in slower speeds.
- Network Congestion: High network traffic in your area can affect speeds.
- Connected Devices: Too many devices sharing the connection can reduce individual speeds.
- Data Cap: Check if your data plan has a speed throttle after a certain usage.
5.4 Device Not Powering On
- Battery Level: Ensure the battery is charged. Connect to a charger and try again.
- Battery Insertion: Verify the battery is correctly inserted.
6. Specifications
| Feature | Specification |
|---|---|
| Model | e5575s-320 |
| Brand | Huawei |
| Type | Wireless Mobile Hotspot |
| 2.4G Wi-Fi Transmission Rate | 150 Mbps |
| Wi-Fi Standards | 802.11b/g/n |
| 4G LTE Download Speed | Up to 150 Mbps |
| 4G LTE Upload Speed | Up to 50 Mbps |
| 3G Speed | Up to 43.2 Mbps |
| Supported LTE Bands (FDD) | 800/1800/2600 MHz |
| Supported LTE Bands (TDD) | 2600 MHz |
| Supported 3G Bands (HSPA+/HSPA/UMTS) | 900/2100 MHz |
| Supported 2G Bands (EDGE/GPRS/GSM) | 850/900/1800/1900 MHz |
| Battery Capacity | 1500 mAh |
| Continuous Use Time | 5-6 hours |
| Standby Time | Up to 300 hours |
| Modem Function | No (functions as a hotspot) |
| Certification | CE |
Figure 4: Product packaging with technical specifications
7. User Tips
- SIM Card Compatibility: Always ensure you are using a compatible 4G SIM card from your chosen network provider for optimal performance.
- Network Unlocked: This device is unlocked and can be used with any compatible SIM card, offering flexibility across different carriers.
- Battery Saving: To extend battery life, consider turning off the Wi-Fi hotspot when not in use or reducing the number of connected devices.
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided by your retailer or contact the manufacturer directly. Keep your proof of purchase for warranty claims.





