Zyyini Zyyinieha2g4u3xr

Zyyini MF800 4G LTE Mobile Hotspot User Manual

Portable 4G LTE Modem Router with SIM Card Slot

1. Introduction

This user manual provides comprehensive instructions for the Zyyini MF800 4G Router, a portable 4G LTE modem designed to offer high-speed internet access. This device allows you to share your internet connection with up to 10 devices simultaneously, making it ideal for travel, business, camping, and home use. Please read this manual carefully before using the device to ensure proper operation and to maximize its performance.

Zyyini MF800 4G Router front view

Figure 1: Front view of the Zyyini MF800 4G Router, showing the LED screen and 4G LTE branding.

2. Product Overview

The Zyyini MF800 4G Router is a compact and portable device engineered for reliable mobile internet connectivity. Key features include:

Zyyini MF800 4G Router highlighting speed and device support

Figure 2: The router's capabilities, including 3G/4G high-speed internet access and support for up to 10 devices.

3. What's in the Box

Upon opening the package, please verify that all the following items are included:

Contents of the Zyyini MF800 4G Router package

Figure 3: All components included in the package: the 4G router, its battery, and the charging cable.

4. Specifications

FeatureDescription
Model NumberZyyinieha2g4u3xr (MF800)
Network Frequency BandB1/3/5/7/8/20/40 (Europe/Asia)
Network Type4G LTE, 3G
Max Rate150Mbps (Download)
Supported Protocol802.11ac
WiFi Frequency2.4G
FirewallInbuilt Firewall
Battery2100mAh Lithium Battery
SIM Card SlotStandard SIM Card (not included)
Connectivity4G, 4G LTE, Wi-Fi
Compatible DevicesPersonal Computer, Mobile Phones, Tablets
Dimensions4.33 x 2.76 x 1.57 inches
Item Weight3 pounds

5. Setup Guide

Follow these steps to set up your Zyyini MF800 4G Router:

  1. Insert the Battery: Open the back cover of the router. Carefully insert the provided 2100mAh lithium battery into its compartment, ensuring the contacts align correctly.
  2. Insert the SIM Card: Locate the standard SIM card slot. Gently insert your activated standard SIM card into the slot until it clicks into place. Ensure the SIM card is oriented correctly as indicated on the device. (Note: SIM card is not included and must be purchased separately.)
  3. Replace the Back Cover: Once the battery and SIM card are in place, securely close the back cover.
  4. Power On: Press and hold the power button (usually located on the side or front) for a few seconds until the LED screen illuminates. The device will begin to boot up and connect to the network.
Inserting SIM card and battery into Zyyini MF800 4G Router

Figure 4: View of the router with the back cover removed, showing the battery compartment and the standard SIM card slot for insertion.

6. Operating Instructions

Once your router is set up and powered on, follow these steps to connect your devices and manage your network:

  1. Network Connection: After powering on, the router will automatically search for and connect to the available 4G network. The LED screen will display network status indicators (e.g., signal strength, battery level, Wi-Fi status).
  2. Connect Devices via Wi-Fi:
    • On your device (phone, laptop, tablet), go to Wi-Fi settings.
    • Search for available Wi-Fi networks.
    • Locate the network name (SSID) of your MF800 router. This information is typically found on a label inside the battery compartment or on the device packaging. (Example: SSID: 4G-MIFI-5CD)
    • Enter the Wi-Fi password (WIFI KEY) when prompted. (Example: WIFI KEY: 1234567890)
    • Once connected, your device will have internet access through the router.
  3. Accessing Router Settings (Optional):
    • Connect a device to the router's Wi-Fi.
    • Open a web browser and enter the router's IP address (e.g., 192.168.100.1) into the address bar.
    • Log in using the default username and password (e.g., User admin, Password admin). This information is usually found on the label inside the battery compartment.
Label inside the Zyyini MF800 4G Router showing network details

Figure 5: Internal label of the router displaying important network information such as Model, IP address, User admin, Password admin, SSID, and WIFI KEY.

7. Maintenance

To ensure the longevity and optimal performance of your Zyyini MF800 4G Router, please observe the following maintenance guidelines:

8. Troubleshooting

If you encounter issues with your Zyyini MF800 4G Router, refer to the following common problems and solutions:

ProblemPossible Cause / Solution
No Internet Connection
  • SIM Card Issue: Ensure the SIM card is correctly inserted and activated. Verify that the SIM card has an active data plan. (Refer to Section 5: Setup Guide).
  • Network Coverage: Check if you are in an area with 4G network coverage.
  • Router Signal: Check the signal strength indicator on the router's LED screen.
  • APN Settings: In rare cases, you might need to manually configure APN settings via the router's web interface. Consult your SIM card provider for correct APN details.
  • Reboot: Turn off the router, wait a few seconds, and then turn it back on.
Cannot Connect to Wi-Fi
  • Incorrect Password: Double-check the Wi-Fi password (WIFI KEY) from the label inside the router.
  • Router On: Ensure the router is powered on and Wi-Fi is enabled.
  • Device Limit: The router supports up to 10 devices. If more are connected, disconnect some.
  • Distance: Move closer to the router to ensure a strong Wi-Fi signal.
Slow Internet Speed
  • Network Congestion: Network speeds can vary based on network traffic and coverage.
  • Signal Strength: Ensure the router has good signal strength.
  • Data Cap: Check if your SIM card data plan has a speed throttle after a certain usage.
  • Too Many Devices: Disconnect some devices to improve speed for others.
Router Not Turning On
  • Battery Charge: Ensure the battery is charged. Connect the charging cable and allow it to charge for some time.
  • Battery Insertion: Verify the battery is correctly inserted.
  • Damaged Battery/Cable: Inspect the battery and charging cable for any visible damage.

9. Warranty and Support

The Zyyini MF800 4G Router comes with a standard manufacturer's warranty. For specific warranty terms, duration, and conditions, please refer to the warranty card included in your product packaging or contact Zyyini customer support directly. Keep your purchase receipt as proof of purchase for warranty claims.

For technical support, troubleshooting assistance beyond this manual, or inquiries about replacement parts, please visit the official Zyyini website or contact their customer service department. Contact information can typically be found on the product packaging or the manufacturer's website.

Manufacturer: Zyyini

Model: Zyyinieha2g4u3xr (MF800)