Download for Deco X20-4G | TP-Link United Kingdom (2024)

Setup Video

  • How to Configure a Deco System with Starlink

  • How to Resolve Double NAT using Starlink

  • How to set up a 4G Whole Home Mesh Wi-Fi 6 Gateway (Take Deco X20-4G as an example)?

    This video guides you step by step to set up your 4G whole home Mesh WiFi 6 Gateway with Deco X20-4G as an example.

    More Fold

Feature Filter: All User Application RequirementQ&A of functional explanation or specification parametersTroubleshootingFurther AssistanceWhen You Set UpConfiguration GuideIf Something Goes WrongBefore You Buy


  • How to install and activate Avira Prime after you subscribe Homeshield Total Security Package 04-18-2024843
  • How to use firmware recovery if the Deco become brick 04-16-2024179503
  • Can Deco Mesh, OneMesh, EasyMesh and Omada Mesh products work together? 04-08-202433781
  • Troubleshooting: Unstable connection on the 4G/5G Deco 03-25-20241539
  • How to replace the main Deco with another Deco 03-13-2024359890
  • General questions about the Smart Home feature in the Deco app 03-11-202439481
  • What is the TP-Link Router Alexa Skill and how do I use it? 03-05-2024419207
  • How to use the HomeShield Reward feature on a TP-Link Router/Deco 02-26-202439279
  • Can Sky Q work with Deco? 02-23-2024688
  • What is TP-Link ID and how to create a TP-Link ID? 01-29-20245440792
  • How to set up Deco with BT (UK) 01-25-20241620
  • How to set up Deco with common ISP in UK 01-25-2024530
  • How to set up Deco with Vodafone (UK) 01-25-2024972
  • How to set up Deco with Virgin Media (UK) 01-25-20241733
  • How to set up Deco with TalkTalk (UK) 01-25-2024503
  • How to set up Deco with Sky broadband (UK) 01-25-20241180
  • How to set up Family Time on a TP-Link Router/Deco 12-27-202341754
  • How to use the HomeShield Real-Time Protection on a TP-Link Router/Deco 12-27-202349742
  • How to subscribe to the TP-Link HomeShield Service 12-27-2023188066
  • How to choose right TP-Link product for your internet service 12-19-20237531
  • Should I use Dynamic IP or PPPoE? 12-19-202313456
  • How to set up 3G/4G or 4G/5G Deco Routers 12-18-202354345
  • How do I set up my Deco with Singtel? 12-14-20234903
  • How to use Deco Lab on your Deco 12-12-20237639
  • How to set up 3G/4G or 4G/5G Backup on Deco router 11-29-202331921
  • General questions about Ethernet Backhaul feature on your Deco 11-28-20231963939
  • How can I download the Deco app if I cannot find it on Google Play 11-20-20237800
  • How to get the Deco App for Android devices 11-20-20238781
  • General questions about HomeShield Subscription Service 11-20-202349046
  • Why can't I subscribe to the HomeShield Subscription Service? 11-20-202344168
  • What can I do if HomeShield Security + blocks a safe website or URL? 11-20-202328681
  • How to collect system log of Deco App 10-31-202312042
  • Frequently asked questions about TP-Link Home Mesh Wi-Fi 10-27-2023316550
  • Why are my Deco units/clients showing offline on Deco App? 10-25-20231118567
  • How to use Deco with your existing router 09-25-202369869
  • What’s the difference between Access Point mode and Router mode on the Deco? 09-18-2023768096
  • Announcement: IFTTT Services Ending on July 31, 2020 09-06-202395279
  • How to choose the right Deco 09-05-202326694
  • Why does TP-Link require my email address? 08-22-2023130458
  • How to configure Address Reservation on a Deco 07-12-2023254733
  • Troubleshooting Slow Internet Speed with Deco Devices 07-12-2023796456
  • Encountering an Error When Adding a Deco 07-12-2023389965
  • Main Deco Failed to Complete Setup 07-12-2023623263
  • The internet connection is unstable or suddenly stops working when connected to the Deco network? 07-12-2023981531
  • What can I do if the Deco app isn't working properly 07-12-2023166928
  • Getting to know your Deco app 06-27-2023298101
  • What should I do if I failed to update my Deco? 06-27-2023107209
  • How to Update the Firmware of Deco 06-27-2023566513
  • How to Configure IPTV function on Deco 06-27-2023322651
  • How to Configure PPTP/L2TP VPN Connection on the Deco 06-27-2023305743
  • What if I forget the password of my TP-Link ID or the account is locked?(Deco) 06-26-2023852397
  • What if I fail to sign up or activate the TP-Link ID? 06-26-2023105649
  • Why port forwarding feature is not working on my Wi-Fi router or Deco? 06-26-2023729753
  • How to set up Port Forwarding feature on the Deco 06-26-2023510331
  • How to remove a Parental Control profile on the Deco 06-26-202327220
  • How to set up the HomeShield Parental Controls feature on a TP-Link Router/Deco 06-26-202376765
  • How to set up Deco to work in Access Point mode 06-26-20231719377
  • How to extend guest network when there is a switch between Decos 06-26-2023236674
  • How to set up a Guest Network for Deco 06-26-2023264455
  • How many Deco units do I need? Are they all the same? 06-26-2023179445
  • What should I do if I failed to login Deco App? 06-26-202330144
  • What can I do if the Deco app displays "We could not find Deco"? 06-26-2023154839
  • What can I do if the Deco app shows “Let's Begin” while Deco is working well? 06-26-202337259
  • How to change the Wireless Settings on your Deco app 06-26-2023773820
  • How to Configure MAC Clone on Deco if Deco fails to connect to the internet 06-25-2023107675
  • The Weak Security and Privacy Warning on the iOS14 or iOS15 06-25-2023380889
  • Why did I receive a new device connection alert when a known device joined the network? 06-25-202364623
  • How to change the owner account on Deco APP 06-25-2023189069
  • How to configure the HomeShield QoS feature on a TP-Link Router/Deco 06-25-202376763
  • How to configure the HomeShield Scan feature on a TP-Link Router/Deco 06-25-202357728
  • How do I know which Deco my client is connected to? 06-25-202388181
  • How to configure Data Settings on 3G/4G or 4G/5G Deco router 06-25-202321011
  • How to configure Internet Settings on 3G/4G or 4G/5G Deco router 06-25-202334468
  • How to use PIN Management on 3G/4G or 4G/5G Deco router 06-25-202339157
  • How to use SMS Service on 3G/4G or 4G/5G Deco router 06-25-202328820
  • Is the Signal Source for Satellite Decos Selectable on the Deco App? 06-25-202371280
  • How to install LTE external antennas on Deco X20-4G 06-25-202344631
  • How to delete a network on the Deco app 06-25-2023116639
  • How to delete an offline device on the Deco app 06-25-202344583
  • What should I do if my Deco 4G/5G Product shows No Signal or No Service on Deco App? 06-25-202319058
  • How to select 4G band manually on Deco 4G Products 06-25-202314255
  • How to enable the Access Control Skill in your Alexa App 06-20-202331583
  • How to check the 4G band working on our smartphones 06-20-202347843
  • Troubleshooting Guide of DDNS function on TP-Link Wi-Fi Router, LTE Gateway Router or Deco Router 06-20-202346524
  • How to connect Deco with Starlink 05-24-202375109
  • Cannot detect or find the wireless signal of Wi-Fi6/Wi-Fi6E/Wi-Fi7 products(Router/Range Extender/Deco) 05-17-2023545872
  • How can I find a suitable spot for my Deco? 03-31-2023380187
  • How many Deco units can I add to my Deco mesh network? 03-27-2023366868
  • Abnormal LED lights and bad ports on the TP-Link Deco 02-27-202365961
  • Cannot connect to Deco Wi-Fi 02-23-2023362501
  • How does QoS influence the real-time data flow of the Deco? 12-19-202278410
  • How to log into the web-based interface of my Deco 11-04-20221150001
  • How to add an additional unit to your Deco network 10-31-2022994971
  • How to Create a New Network in the Deco App 10-28-2022194412
  • How to troubleshoot if there is no internet access under 3G/4G Router mode on Deco Router 10-26-202248670
  • What should I do if I cannot open a website through Deco network? 10-26-202295696
  • Can different Deco models work together? 10-26-20221038193
  • What is Alexa Integration? 10-26-2022173538
  • How can I reset or reboot my Deco Whole-Home Wi-Fi System? 10-26-2022825814
  • How to use Pi-Hole DNS Server on TP-Link routers 10-26-2022197879
  • How to configure the Connection Alerts feature on the Deco app 10-26-202262836
  • How to find the firmware version of Deco 10-26-2022105279
  • How to change the name of the client on the Deco app 10-26-202271335
  • How to configure your TP-Link Deco with CenturyLink’s fiber service 10-26-202255339
  • How to change the device name of Deco 10-26-2022126825
  • How to set up an IPv6 internet connection on my Deco 10-26-2022157956
  • How to configure VLAN ID for your internet connection on Deco 10-26-2022185066
  • How to Disable SIP ALG on Deco 10-26-202295312
  • How to enable WPS function on Deco 10-26-2022280268
  • How to change LAN IP address of Deco 10-26-2022277882
  • How to change DNS server settings on my Deco 10-26-2022353722
  • How to block a device or remove a device from the Deny List 10-26-2022391373
  • How to add manager account of Deco 10-26-2022134628
  • LED feature of Deco 10-26-2022187300
  • How do I test speed of Deco? 10-26-2022282037
  • How to change Notification settings of Deco 10-20-202270033
  • What’s the difference between an owner account and a manager account? 10-20-202294529
  • What to do if you cannot connect to your Deco remotely? 10-20-2022129500
  • What’s a Deco Whole-Home Wi-Fi System and How it works? 10-20-2022152958
  • General questions about the AI-Driven Mesh feature 10-17-202230790
  • How do I set up my Deco? 09-07-2022664382
  • Why the actual wireless speed on my wireless device is lower than the speed result on the Deco APP? 08-02-2022178774
  • How to find your TP-Link Router’s IP address 08-01-20225884648
  • Why is my satellite Deco unit not getting the same speed as the main Deco? 08-01-202286855
  • Why my clients don't roam/connect to the nearest Deco node? 07-22-202286077
  • How can I set up Deco with an existing modem? 07-18-2022200826
  • General question about the Wi-Fi range of Deco 07-14-2022204063
  • How to change Time settings on the Deco 07-14-202277307
  • Fail to log into the web management page of Deco 06-27-202294196
  • Why is a device displayed as an unknown device on the Deco app? 06-24-202268038
  • Why does Parental Control show my device has reached the time limit while it actually hasn’t? 06-01-202229999
  • What should I do if Wi-Fi calling cannot work through TP-Link wireless router? 05-16-2022106532
  • How to Boost Your Wi-Fi Signal 11-23-2021611998
  • What are the differences between different models of Deco? 09-08-20211698484
  • Can I use Deco with my existing router? 08-09-2021840040
  • Is it normal that my Deco feels warm? 06-28-2021154194
  • Can my printer join a Deco network? 06-28-2021195301
  • Why my clients fail to connect to the Deco Wi-Fi when Fast Roaming is enabled? 04-12-202185518
  • What do the different LED colors meaning of Deco? 06-14-20191254541
  • How do I get pass the step of connecting to the internet during Deco setup? 11-02-201784120
  • Why Deco's WiFi is showing Internet May Not Be Available on my mobile device when standing next to the Deco unit? 08-22-2017133431


A firmware update can resolve issues that the previous firmware version may have and improve its current performance.

To Upgrade

IMPORTANT: To prevent upgrade failures, please read the following before proceeding with the upgrade process

  • Please upgrade firmware from the local TP-Link official website of the purchase location for your TP-Link device, otherwise it will be against the warranty. Please click here to change site if necessary.
  • Please verify the hardware version of your device for the firmware version. Wrong firmware upgrade may damage your device and void the warranty. (Normally Vx.0=Vx.6/Vx.8 (eg:V1.0=V1.6/V1.8); Vx.x0=Vx.x6/Vx.x8 (eg:V1.20=V1.26/V1.28)
    How to find the hardware version on a TP-Link device
  • Do NOT turn off the power during the upgrade process, as it may cause permanent damage to the product.
  • To avoid wireless disconnect issue during firmware upgrade process, it's recommended to upload firmware with wired connection unless there is no LAN/Ethernet port on your TP-Link device.
  • It's recommended that users stop all Internet applications on the computer, or simply disconnect Internet line from the device before the upgrade.
  • Use decompression software such as WinZIP or WinRAR to extract the file you download before the upgrade.

More Fold

Deco X20-4G(EU)_V1_1.1.5 Build 20231227

Published Date: 2024-03-26 Language: Multi-language File Size: 83.87 MB

Modifications and Bug Fixes:
1. Added ERP functionality.
2. Enhanced security.
3. Fixed the bug that Satellite Deco could not be upgraded properly in some cases.

1. Your device's configuration will not be lost after upgrading, which means you don't need to configure your device again after upgrading.

Deco X20-4G(EU)_V1_1.1.4 Build 20230714


Important Notice

Please upgrade firmware/software from the local TP-Link official website of the purchase location for your TP-Link device, otherwise it may cause upgrade failure or mistakes and be against the warranty.

Still Download Go to Local Website

Published Date: 2023-08-09 Language: Multi-language File Size: 83.75 MB

Modifications and Bug Fixes:
1. Supports fixed LAN/WAN port division when 3/4G backup is enabled.
2. Improved Homeshield-Related features.
3. Limit the number of SMS stored.
4. Improved stability.

Your device's configuration will not be lost after upgrading, which means you don't need to configure your device again after upgrading.

Deco X20-4G(EU)_V1_1.1.0 Build 20230209

Published Date: 2023-05-24 Language: Multi-language File Size: 82.78 MB

Modifications and Bug Fixes:
1. Fix the issue that wireless client devices might be recognized as wired client devices
2. Improve device stability

1. Your device's configuration will not be lost after upgrading, which means you don't need to configure your device again after upgrading.
2. This firmware can be degraded to the previous version.

To Use Third Party Firmware In TP-Link Products

Some official firmware of TP-Link products can be replaced by the third party firmware such as DD-WRT. TP-Link is not obligated to provide any maintenance or support for it, and does not guarantee the performance and stability of third party firmware. Damage to the product as a result of using third party firmware will void the product's warranty.

Open Source Code For Programmers (GPL)

Please note: The products of TP-Link partly contain software code developed by third parties, including software code subject to the GNU General Public Licence (“GPL“), Version 1/Version 2/Version 3 or GNU Lesser General Public License ("LGPL"). You may use the respective software condition to following the GPL licence terms.

You can review, print and download the respective GPL licence terms here. You receive the GPL source codes of the respective software used in TP-Linkproducts for direct download and further information, including a list of TP-Linksoftware that contain GPL software code under GPL Code Center.

The respective programs are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the respective GNU General Public License for more details.


Download for Deco X20-4G | TP-Link United Kingdom (1)

TP-Link Deco

The Deco app allows you to quickly and easily install and manage your Deco Whole-Home Wi-Fi System.

Download for  Deco X20-4G | TP-Link United Kingdom (2024)


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