Introduction
Thank you for choosing the Ejoyous 4G USB WiFi Hotspot Stick. This device provides high-speed 4G network access and allows you to share your internet connection with multiple devices. This manual will guide you through the setup, operation, and maintenance of your new device to ensure optimal performance.
Safety Information
- Do not expose the device to extreme temperatures, direct sunlight, or moisture.
- Avoid dropping or subjecting the device to strong impacts.
- Use only compatible power sources (USB ports, phone chargers, car chargers, power banks).
- Keep the device away from children.
- Do not attempt to disassemble or repair the device yourself. Contact support if issues arise.
Package Contents
Please check the package for the following items:
- 1 x Ejoyous 4G USB WiFi Hotspot Stick
- 1 x Instruction Manual
Note: A standard SIM card is required for operation and is not included.
Setup
1. SIM Card Installation
To install the SIM card:
- Gently slide the back cover of the device and remove it.
- Locate the standard SIM card slot.
- Insert your standard SIM card into the slot with the gold contacts facing down and the notched corner aligned correctly. Ensure it is fully seated.
- Replace the back cover until it clicks securely into place.

Image: The Ejoyous 4G USB WiFi Hotspot Stick with its red back cover removed, revealing the internal components and the slot for a standard SIM card. This illustrates where to insert the SIM card.
2. Powering On the Device
The device is plug-and-play. To power it on:
- Connect the USB end of the hotspot stick to any standard USB power source. This can be a computer's USB port, a USB wall charger, a car charger, or a power bank.
- The device will automatically power on and attempt to establish a 4G network connection.
- Once powered, the device will broadcast a Wi-Fi network. The network name (SSID) and password (WPA2 key) are typically printed on a label inside the device, often near the SIM card slot, or on the packaging.

Image: The Ejoyous 4G USB WiFi Hotspot Stick shown plugged into a USB port, with a smartphone in the background indicating a Wi-Fi connection. Text on the image highlights 'Plug and Play' and 'Connect the power device and insert the SIM card'.
Operating Instructions
1. Connecting Devices to the Wi-Fi Network
To connect your devices (smartphones, laptops, tablets, smart TVs, etc.) to the hotspot:
- Ensure the Ejoyous 4G USB WiFi Hotspot Stick is powered on and has established a 4G connection.
- On your device, go to the Wi-Fi settings.
- Scan for available Wi-Fi networks.
- Select the network name (SSID) corresponding to your hotspot (e.g., '4G LTE WiFi' or similar, as found on the device label).
- Enter the Wi-Fi password (WPA2 key) when prompted.
- Your device should now be connected to the internet.
2. Internet Sharing
The Ejoyous 4G USB WiFi Hotspot Stick supports internet sharing for up to 10 Wi-Fi users simultaneously. This allows multiple devices to access the internet through a single SIM card connection.

Image: A composite image showing various scenarios where multiple devices (smartphones, laptops, security monitors) are connected to a central network, representing the hotspot's ability to share internet with up to 10 devices.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Software Updates: Periodically check the manufacturer's website for any available firmware updates for your device.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No internet connection | SIM card not inserted correctly; No data plan; Poor 4G signal; Device not powered. | Ensure SIM card is properly inserted. Verify active data plan with your carrier. Move to an area with better signal. Ensure device is connected to a working USB power source. |
| Slow internet speed | Weak 4G signal; Too many connected devices; Network congestion. | Relocate the device for better signal reception. Disconnect unnecessary devices. Try again during off-peak hours. |
| Cannot connect to Wi-Fi network | Incorrect Wi-Fi password; Device out of range; Hotspot not broadcasting. | Verify the Wi-Fi password (WPA2 key) from the device label. Move closer to the hotspot. Ensure the hotspot is powered on and its indicator lights are active. |
| Device not recognized by computer | Faulty USB port; Driver issue (less common for plug-and-play). | Try a different USB port. Ensure the computer's USB drivers are up to date. The device primarily functions as a Wi-Fi hotspot, not a direct USB modem for data transfer. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | Ejoyousfynmbwv4z8 |
| ASIN | B0FW42T748 |
| 4G LTE Band | B1, 3, 5, 7, 8, 20, 40 |
| 3G UMTS Band | B1 |
| Peak Rate | 150Mbps Download, 50Mbps Upload |
| Wi-Fi Support | 802.11 b/g/n, Band 2.4G |
| Security | WPA, WPA2 Encryption |
| Internet Sharing | Up to 10 users |
| Power Source | USB Powered (phone chargers, car chargers, mobile power) |
| SIM Card Slot | Standard SIM Card (Large Card) |
| Applicable Regions | Europe, Asia, Southeast Asia, Africa, The Middle East |
| Item Weight | 1.52 ounces (approx. 43g) |
| Package Dimensions | 5.12 x 3.15 x 1.18 inches (approx. 13 x 8 x 3 cm) |
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Ejoyous customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: Ejoyous