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How to set up the TP-Link 5G Mobile Wi-Fi on the Tether app

When You Set Up
Updated 02-26-2026 09:27:34 AM Number of views for this article26

Introduction

This article applies to 5G Mobile Wi-Fi Router models that are compatible with the Tether app for management. Please note that the 4G/3G Mobile Wi-Fi models (such as the M7450, M7650, and M7750) are not compatible with the Tether app. For these models, please use the dedicated tpMiFi app.

Requirements

  • Download and install the Tether app from the App Store or Google Play.

The different ways to download the Tether app. 

Configuration

Step 1. Open the back cover, locate the Nano-SIM card slot, and slide the cover upward to open it. Place your SIM card into the slot with the gold contacts facing down.

Step 2. Before installing the battery, please locate the product label on the inside of the back cover. Scan the barcodes to obtain the Wireless Network Name (SSID) and Password. We strongly recommend taking a clear photo or writing down these details for your initial Wi-Fi setup.

Proceed with assembly: Align the battery’s metal contacts with the connectors in the battery compartment, then gently insert the battery. Place the back cover back onto the device and slide it into position until it clicks securely.

M8550’s label.   

Step 3. Press and hold the Power button (located on the right side) for more than 5 seconds to power on the device. For first-time use, we recommend fully charging the device before turning it on.

Go to your phone’s Settings and find the WLAN to enable it, find and connect to the Wi-Fi network named TP-Link_XXXX or TP-Link_XXXX_5G.

You can also find the Wi-Fi name and password on the device screen under Settings > Wi-Fi.

Note: “XXXX” represents the last 4 digits of the MAC address you noted on the label.

Join M8550’s Wi-Fi.  

Step 4. Launch the Tether app on your phone and log in to the Tether app with your TP-Link ID.

Login Tether app.  

Step 5. Tap your TP-Link Mobile Wi-Fi from the My Devices list, and create a device password for it.

Login M8550 in the Tether app.  

Step 6. Wait for 1 minute, then select your Profile Name. Usually, the Mobile Wi-Fi will automatically detect your ISP if there is a default profile for it.

SIM card’s profile.  

Note: Most Carrier Profiles are pre-configured in the Mobile Router and will be detected by the device itself. If you want to change the Carrier Profile settings, please continue finish the setup process, and go to More > Internet Connection > Internet settings > Cellular > Tap on Service Provider Profile > Scroll down to the button to Create New Profile > Create a Profile Name and go to NEXT > Enter the Profile setting which given by your SIM card carrier and Save it.

The path to create a new profile.

The path to change the Profile settings.

Step 7. Customize the wireless networks on TP-Link Mobile Wi-Fi.

Customize Wireless Networks.  

Step 8. Confirm and apply your settings. Your customized Wi-Fi network will be ready to connect within 1-2 minutes. Connect to it and enjoy your internet!

Confirm and apply Wireless Networks.  

Get to know more details of each function and configuration, please go to the Download Center to download the manual of your product.

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