Download for TL-MR3420
- Product Overview
- The Weak Security and Privacy Warning on the iOS14 or iOS15
- How to bind IP Address and MAC Address on TP-Link Router
- How to log into the web management page of 3G 4G Wireless N Router (new logo)
- How to use bandwidth control on TP-Link wireless router
- How to find or change the wireless password on the TP-Link products
- How to view System Log of TP-Link wireless Router
- Why My TP-Link Router Can Not Get WAN Parameters From My Modem?
- How to confirm whether the router is connected to internet through Diagnostic function
- How to set up access control for website blocking on TP-Link Wireless Router (older green UI)
- How to Setup DDNS(DynDNS) on Wireless Router
- How to configure Wireless MAC address filter on wireless router
- How to use Parental Control function on Wireless router
- How to Setup DDNS (No-IP) on TP-Link Wireless Router
- How to improve my wireless speed or range
- How to configure Static Routing on wireless routers
- How to protect your TP-Link network devices from potential attacks
- How to do troubleshooting from the system log when PPPoE connection fails
- How to install TP-Link wireless router to work with a DSL Modem (PPPoE)
- How to Upgrade the firmware version of TP-Link Wireless Router
- How to configure Bandwidth Control on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Parental Controls on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to set up System Time of 3G/4G Wireless Router TL-MR3420 (new logo)
- How to create guest network on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to set up IPV6 tunnel on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Dynamic DNS on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure IPSec VPN on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to make applications free from port restriction by DMZ on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to share local resources on the Internet by Virtual Servers on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure IP&MAC Binding on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Access Control on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Service Filtering on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Printer Sharing on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to configure Media Sharing on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to access the USB storage device with 3G/4G Wireless Router TL-MR3420 (new logo)
- How to set up local and remote management on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to set up Auto Reboot of 3G/4G Wireless Router TL-MR3420 (new logo)
- How to upgrade the firmware of 3G/4G Wireless Router TL-MR3420 (new logo)
- How to schedule your wireless function on 3G/4G Wireless Router TL-MR3420 (new logo)
- How to reset TP-Link 3G 4G Wireless N Router to factory defaults
- Why cannot log into the Management Page with NOD 32 ESET?
- What can I do if I forget the login password of TP-Link Wireless Router?
- Troubleshooting: Unstable wireless connection on TP-Link router
- How to reset TP-Link router to factory defaults
- Application Requirement/Choose WAN Connection Type on my TP-Link router
- How do I install TP-Link router to work with a Cable Modem? (Old UI)
- 3G/4G Router All-in-One Troubleshooting Guide
- Why I cannot have Internet with an identified 3G Modem?
- How to solve the compatibility problem between your 3G modem and TP-Link 3G router
- How to Use the Modem Bin File on TP-Link 3G routers
- How do I change the IP address of a TP-Link Wireless Router ?
- How to set up Port forwarding feature on my TP-Link Wireless Router for Xbox Live?
- How do I configure MAC Address Clone on my TP-Link Wireless Router(green UI)?
- Why cannot I access the Internet after successfully connected to the TP-Link router’s wireless network(Windows OS)?
- How do I configure Remote Management for my TP-Link Wireless Router?
- Why my TP-Link Router gets a WAN IP from the modem but no internet access？
- Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(MAC OS)?
- How to configure Address Reservation on TP-Link wireless router
- Application Requirement/Internet Access Control
- How do I install a TP-Link router to work with a DSL modem (Dynamic IP)?
- How do I install TP-Link wireless router to work with a Modem (Static IP)?
- How do I reduce the MTU size on my TP-Link Router?
- Why my 3G router or internal device can not be visited from Internet?
- Application Requirement/ Parental Control
A firmware update can resolve issues that the previous firmware version may have and improve its current performance.
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.
|Published Date: 2022-01-11||Language: English||File Size: 8.07 MB|
Fixed a NetUSB-protocol vulnerability.
|Published Date: 2021-05-26||Language: English||File Size: 8.02 MB|
Modifications and Bug Fixes
Notes: For TL-MR3420(EU) 5.0
|Published Date: 2018-08-17||Language: English||File Size: 8.09 MB|
Modifications and Bug Fixes
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.
Note: To use Tether, please update your TP-Link device’s firmware to the latest version.
1. The emulator is a virtual web GUI where you can experience the TP-Link product management panel.
2. The listed emulators might not have the latest firmware.
3. The features displayed are for reference, and their availability may depend on local regulations. For more information, please refer to the datasheet or product page.