1. Product Overview
The Generic 4G LTE Mobile WiFi Hotspot Device is a portable wireless router designed to provide high-speed internet access on the go. It supports 4G FDD (B2/B4/B5/B12/B17/B13/B25/B26/B41) and WCDMA: B1 (2100Mhz) bands, making it primarily applicable to North and South American countries. With a maximum speed of 150 Mbps, it allows up to 10 devices to connect simultaneously within a 50-meter range. Its compact design and built-in 2100mAh Li-Po battery make it ideal for travel.

Image: The 4G LTE Mobile WiFi Hotspot Device shown alongside its included USB charging cable.
2. Package Contents
Please check the package contents upon opening to ensure all items are present:
- 1 x 4G Router (Mobile WiFi Hotspot Device)
- 1 x 2100mAh Li-Po Battery
- 1 x USB Cable
- 1 x English Manual (this document)
3. Setup Guide
3.1. Battery Installation
- Open the back cover of the device.
- Insert the 2100mAh Li-Po battery into the battery compartment, ensuring the contacts align correctly.
- Replace the back cover.
3.2. SIM Card Installation and Configuration
This device supports Micro-SIM cards (15 x 12 mm). It is compatible with SIM cards from various operators including Verizon Wireless, AT&T, U.S. Cellular, Lycamobile, H2O Wireless, Cricket Wireless, and Mint Mobile.

Image: The hotspot device with an illustration of a Micro-SIM card and text indicating supported 4G FDD and WCDMA bands.
- Ensure the device is powered off.
- Open the back cover and locate the SIM card slot.
- Insert your activated Micro-SIM card into the slot with the gold contacts facing down and the notched corner aligned correctly.
- Replace the back cover.
- Important: Before inserting, ensure that the SIM card PIN code is disabled. This must be done using another device (e.g., a smartphone) if your SIM card has a PIN enabled.
- APN Configuration: Modifying the Access Point Name (APN) settings is required for proper functionality. Refer to your SIM card provider's instructions for the correct APN settings. These settings are typically configured via the device's web interface once powered on.

Image: The hotspot device with a prominent note emphasizing the need to disable the SIM card PIN code and modify APN settings for proper functionality.
3.3. Charging the Device
Connect the included USB cable to the device's micro USB port and the other end to a USB power adapter (not included) or a computer's USB port. The device will indicate charging status on its LCD display.
4. Operating Instructions
4.1. Powering On/Off
- To Power On: Press and hold the power button (usually on the side) for a few seconds until the LCD screen lights up.
- To Power Off: Press and hold the power button until the device shuts down.
4.2. Connecting Devices to the Hotspot
The device can support connection for up to 10 devices simultaneously, providing a WiFi hotspot for users within a 50m range.

Image: The hotspot device shown providing internet connectivity to a variety of electronic devices, including laptops, tablets, and smartphones.
- Ensure the hotspot device is powered on.
- On your Wi-Fi enabled device (smartphone, tablet, laptop), search for available Wi-Fi networks.
- Select the network name (SSID) of your hotspot device. The SSID and default password are usually found on a sticker inside the battery compartment or on the device packaging.
- Enter the Wi-Fi password when prompted.
- Once connected, your device will have internet access through the hotspot.
4.3. Understanding the LCD Display
The device features a color LCD display that provides essential information at a glance. You can easily check data flow, signal strength, the number of connected devices, battery level, and other status indicators.

Image: A detailed view of the hotspot's color LCD display, highlighting icons for signal strength, battery level, connected devices, and data usage.
- Signal Strength: Bars indicating the strength of the 4G LTE signal.
- LTE Hotspot: Indicates the device is operating as an LTE hotspot.
- Battery Level: Icon showing the current battery charge.
- Connected Devices: An icon or number indicating how many devices are currently connected.
- Data Usage: Displays the amount of data consumed (e.g., 273MB).
- Time: Current time or session duration.
5. Maintenance
To ensure the longevity and optimal performance of your 4G LTE Mobile WiFi Hotspot Device, please follow these maintenance guidelines:
- Keep the device dry. Avoid exposure to water or high humidity.
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Avoid extreme temperatures. Do not expose the device to direct sunlight or very cold environments.
- Handle with care. Do not drop or subject the device to strong impacts.
- When not in use for extended periods, store the device in a cool, dry place and ensure the battery is partially charged (around 50%) to preserve battery health.
6. Troubleshooting
If you encounter issues with your device, please refer to the following common solutions:
6.1. No Internet Connection / SIM Card Not Detected
- SIM Card PIN: Ensure the SIM card PIN code has been disabled. If your SIM card has a PIN, it must be disabled using another device (e.g., a smartphone) before inserting it into the hotspot.
- APN Settings: Verify that the Access Point Name (APN) settings are correctly configured for your SIM card provider. This is a critical step for proper functionality. Consult your carrier for the correct APN.
- SIM Card Activation: Ensure your SIM card is activated and has an active data plan.
- SIM Card Type: Confirm you are using a Micro-SIM card.
- Unsupported Services: This device does not support roaming service, virtual SIM cards, or IoT SIM cards. Ensure your SIM card is a standard mobile data SIM.
- Reinsert SIM: Power off the device, remove the SIM card, and reinsert it firmly.
- Restart Device: Power off and then power on the hotspot device.
6.2. Cannot Connect Devices to Hotspot
- Hotspot On: Ensure the hotspot device is powered on and broadcasting a Wi-Fi signal.
- Correct Password: Double-check that you are entering the correct Wi-Fi password (SSID Key).
- Device Limit: The device supports up to 10 connected devices. If you have more, disconnect some.
- Signal Range: Ensure your connecting device is within the 50m range of the hotspot.
6.3. Battery Drains Quickly
- Charging: Ensure the device is fully charged before use.
- Signal Strength: In areas with weak signal, the device may consume more power searching for a network.
- Connected Devices: More connected devices will increase power consumption.
7. Specifications

Image: A diagram illustrating the physical dimensions of the hotspot device: 3.86 inches (height), 2.28 inches (width), and 0.59 inches (thickness).
| Feature | Specification |
|---|---|
| Model Name | 4G LTE Mobile WiFi Hotspot Device |
| Item Model Number | 6281-4G |
| Product Dimensions | 2.28" x 0.59" x 3.86" (5.8 x 1.5 x 9.8 cm) |
| Item Weight | 4.8 ounces (136 grams) |
| Battery Type | 2100mAh Li-Po Battery (included) |
| Supported 4G FDD Bands | B2/B4/B5/B12/B17/B13/B25/B26/B41 |
| Supported WCDMA Bands | B1 (2100Mhz) |
| Max. Download Speed | Up to 150 Mbps |
| Max. Connected Devices | 10 devices simultaneously |
| WiFi Range | Up to 50 meters |
| Display | Color LCD display |
| Working Temperature | -10℃ ~ +45℃ |
| Wireless Communication Standard | 802.11g |
| Security Protocol | WPA2-PSK |
8. Important Notes
- Disabling the SIM card PIN code and modifying the APN are required for proper functionality.
- The device does not support roaming service, virtual SIM cards, or IoT SIM cards.
- Ensure that the SIM card is activated for optimal performance.





