tp-link M4V4 AC1200 Whole Home Mesh Wi-Fi System User Guide
- June 6, 2024
- tp-link
Table of Contents
tp-link M4V4 AC1200 Whole Home Mesh Wi-Fi System
About This Guide
This guide provides a brief introduction to Deco Whole Home Mesh Wi-Fi System
and the Deco app, as well as regulatory information.
Features available in Deco may vary by model and software version. Deco
availability may also vary by region or ISP. All images, steps, and
descriptions in this guide are only examples and may not reflect your actual
Deco experience.
Conventions
In this guide, the following conventions are used:
| Convention | Description |
|---|---|
| Deco | Stands for Deco Whole Home Mesh Wi-Fi System/Unit. |
Underline
| Hyperlinks are in teal and underlined. You can click to
redirect to a website or a specific section.
Teal
| Key information appears in teal, including management page text such as menus, items, buttons and so on.
Note:
| Ignoring this type of note might result in a malfunction or damage to the device.
Tips:
| Indicates important information that helps you make better use of your device.
More Info
- Specific product information can be found on the product page at https://www.tp-link.com
- A Technical Community is provided for you to discuss our products at https://community.tp-link.com
- Our Technical Support contact information can be found at the Help center of the Deco app and the Contact Technical Support page at https://www.tplink.com/support
Speed/Coverage/Device Quantity Disclaimer
Maximum wireless transmission rates are the physical rates derived from IEEE
Standard 802.11 specifications. Range, coverage, and maximum quantity of
connected devices are based on test results under normal usage conditions.
Actual wireless data throughput. wireless coverage, and quantity of connected
devices are not guaranteed and will vary as a result of 1) environmental
factors, including building materials, physical objects, and obstacles, 2)
network conditions, including local interference, volume and density of
traffic, product location, network complexity, and network overhead, and 3)
client limitations, including rated performance, location, connection quality,
and client condition.
MU-MIMO Disclaimer
Use of MU-MIMO requires clients to also support MU-MIMO.
Seamless Roaming Disclaimer
Clients need to support 802.11k/v/r and may require additional set up.
Performance may vary depending on the client device.
Appearance
Each Deco has an LED that changes color according to its status, two RJ-45 Ethernet ports, a power slot, and a Reset button. See the explanation below:
Tip: The product label can be found at the bottom of the product.
Set Up Your Deco
The intuitive Deco app guides you through an easy setup process that gets each unit up and running and all your devices connected and online. Follow the steps below to set up your Deco Whole Home Mesh Wi-Fi System.
Download and install the Deco app
Scan the QR code below or go to Google Play or the App Store to download the
Deco app. Install the app on your Android or iOS smartphone or tablet.
Log in with TP-Link ID
Open the app. Use your TP-Link ID to log in. If you don’t have a TP-Link ID,
sign up first.
Note: If you forgot your login password, tap Forgot Password?. The Deco app
will guide you through the rest. 
Identify your Deco
Choose your Deco model. 
Plug in and power on Deco
Power off your modem. Connect your Deco to the modem and power them both on.
If you don’t have a modem, connect the Ethernet outlet directly to your Deco.
Connect to the Deco’s Wi-Fi
Wait until the Wi-Fi Signal LED pulses blue, then connect to the Deco’s Wi-Fi
using the default SSID printed on the product label. 
Select a location
Select a location for this Deco. If its location is not listed, you can create
a new one by choosing Custom. This will be the name of your Deco. 
Set up internet connection
Select the internet connection type and enter the information. If you are not
sure, contact your internet service provider. 
Create your Wi-Fi
network
Set a network name and a password. These will be the name and password you use
to connect your devices to Wi-Fi. Connect to your Wi-Fi network
Connect your phone/tablet to the Deco’s new Wi-Fi. Setup complete
Your Deco network is now up. Connect all devices to the Deco network. You can
also add more Deco units to expand the Wi-Fi coverage.
Add More Decos
After created a Deco network, you can add more Deco units to the network to expand the Wi-Fi coverage and manage them easily on your Deco app.
In Overview, tap + . Select the Deco model you want to add, and follow app instructions to complete the setup.
After the setup, you can find the added
Deco units by tapping in Overview. 
Dashboard
After you successfully set up your Deco network, you will see the dashboard of the Deco app. Here you can get an overview of the network status, check the connected clients, and configure more advanced features.
Check Deco Status
In Overview, you can check the working status of all the Decos, check the details of each Deco unit, change the Deco’s location/name, and more.
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