Download for TL-MR3420 V5
IMPORTANT: Model and hardware version availability varies by region. Please refer to your TP-Link regional website to determine product availability.
Feature Filter: All Troubleshooting User Application Requirement Configuration Guide
FAQs
- The Weak Security and Privacy Warning on the iOS14 or iOS15 06-25-2023 307494
- How to configure Static Routing on wireless routers 03-02-2023 530837
- What if I forget my wireless password of TP-Link Wi-Fi router? 02-21-2023 4696374
- What are the most frequent asked questions about the TP-Link devices’ speed? 02-21-2023 664090
- How to bind IP Address and MAC Address on TP-Link Router 11-15-2022 473992
- How to log into the web management page of 3G 4G Wireless N Router (new logo) 10-26-2022 29734
- How to use bandwidth control on TP-Link wireless router 09-01-2022 1400852
- How to view System Log of TP-Link wireless Router 06-29-2022 802625
- Why My TP-Link Router Can Not Get WAN Parameters From My Modem? 06-29-2022 3894449
- How to confirm whether the router is connected to internet through Diagnostic function 06-29-2022 290078
- How to set up access control for website blocking on TP-Link Wireless Router (older green UI) 06-29-2022 915701
- How to Setup DDNS(DynDNS) on Wireless Router 06-29-2022 539089
- How to configure Wireless MAC address filter on wireless router 06-29-2022 809183
- How to use Parental Control function on Wireless router 06-29-2022 438936
- How to Setup DDNS (No-IP) on TP-Link Wireless Router 06-29-2022 312982
- How to improve my wireless speed or range 06-29-2022 1451639
- How to protect your TP-Link network devices from potential attacks 06-29-2022 95219
- How to do troubleshooting from the system log when PPPoE connection fails 06-29-2022 197328
- How to install TP-Link wireless router to work with a DSL Modem (PPPoE) 06-29-2022 2388575
- How to Upgrade the firmware version of TP-Link Wireless Router 06-28-2022 2263230
- How to configure Bandwidth Control on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 33092
- How to configure Parental Controls on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 30285
- How to set up System Time of 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 40376
- How to create guest network on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 33437
- How to set up IPV6 tunnel on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 35299
- How to configure Dynamic DNS on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 61372
- How to configure IPSec VPN on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 72470
- How to make applications free from port restriction by DMZ on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 29804
- How to share local resources on the Internet by Virtual Servers on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 40629
- How to configure IP&MAC Binding on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 28089
- How to configure Access Control on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 40779
- How to configure Service Filtering on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 32712
- How to configure Printer Sharing on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 69612
- How to configure Media Sharing on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 28420
- How to access the USB storage device with 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 51306
- How to set up local and remote management on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 51331
- How to set up Auto Reboot of 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 47912
- How to upgrade the firmware of 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 52231
- How to schedule your wireless function on 3G/4G Wireless Router TL-MR3420 (new logo) 06-27-2022 31600
- How to reset TP-Link 3G 4G Wireless N Router to factory defaults 06-27-2022 32742
- Why cannot log into the Management Page with NOD 32 ESET? 03-21-2022 101932
- What can I do if I forget the login password of TP-Link Wireless Router? 03-21-2022 6293414
- Troubleshooting: Unstable wireless connection on TP-Link router 03-18-2022 2009050
- How to reset TP-Link router to factory defaults 03-18-2022 5080638
- Application Requirement/Choose WAN Connection Type on my TP-Link router 01-24-2022 162453
- How do I install TP-Link router to work with a Cable Modem? (Old UI) 12-23-2021 1232149
- 3G/4G Router All-in-One Troubleshooting Guide 07-20-2021 413896
- Why I cannot have Internet with an identified 3G Modem? 06-10-2021 108421
- How to solve the compatibility problem between your 3G modem and TP-Link 3G router 06-10-2021 103358
- How to Use the Modem Bin File on TP-Link 3G routers 03-26-2021 71944
- How do I change the IP address of a TP-Link Wireless Router ? 07-24-2020 2026805
- How to set up Port forwarding feature on my TP-Link Wireless Router for Xbox Live? 07-01-2020 277442
- How do I configure MAC Address Clone on my TP-Link Wireless Router(green UI)? 09-27-2019 321053
- Why cannot I access the Internet after successfully connected to the TP-Link router’s wireless network(Windows OS)? 09-06-2019 1510789
- How do I configure Remote Management for my TP-Link Wireless Router? 04-18-2019 981687
- Why my TP-Link Router gets a WAN IP from the modem but no internet access？ 04-18-2019 549396
- Why cannot I access the Internet after successfully connected to the TP-Link router’s wireless network(MAC OS)? 04-17-2019 486030
- How to configure Address Reservation on TP-Link wireless router 04-17-2019 529652
- Application Requirement/Internet Access Control 10-17-2017 133967
- How do I install a TP-Link router to work with a DSL modem (Dynamic IP)? 12-27-2016 739332
- How do I install TP-Link wireless router to work with a Modem (Static IP)? 05-25-2016 352168
- How do I reduce the MTU size on my TP-Link Router? 05-23-2016 161937
- Why my 3G router or internal device can not be visited from Internet? 12-26-2014 56111
- Application Requirement/ Parental Control 03-20-2014 81392
Firmware
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.
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.
Fixed a NetUSB-protocol vulnerability.
Modifications and Bug Fixes
1. Fixed incompatibility issue with Huawei E3372h-320
Modifications and Bug Fixes
1. Improve the compatibility with 3/4G Modems.
2. Fixed WPA2 (KRACKs) vulnerability.
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-Link products for direct download and further information, including a list of TP-Link software 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.
Apps
TP-Link Tether
TP-Link Tether provides the easiest way to access and manage your network with your iOS or Android devices. Learn more about TP-Link Tether and Compatible Devices
Note: To use Tether, please update your TP-Link device’s firmware to the latest version.