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Download for TL-ER5120 V3

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V3

>How to find the hardware version on a TP-Link device

IMPORTANT:  Model and hardware version availability varies by region. Please refer to your TP-Link regional website to determine product availability.
Vx.0=Vx.6/Vx.8/Vx.9(eg:V1.0=V1.6/V1.8V1.9)
Vx.x0=Vx.x6/Vx.x8/Vx.x9 (eg:V1.20=V1.26/V1.28/1.29)
Vx.30=Vx.32/Vx.33 (eg:V3.30=V3.32/V3.33)
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TL-ER5120

Feature Filter: All User Application RequirementQ&A of functional explanation or specification parametersTroubleshootingFurther AssistanceConfiguration Guide

FAQs

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. 
    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.

TL-ER5120(UN)_V3_20180830

 Download
Published Date: 2018-10-16 Language: English File Size: 15.17 MB

Modifications and Bug Fixes:
1. Add the support of DNS services based TCP;
2. Add multi WANs selection for NAT/Policy Routing/primary WAN of Link Backup;
3. Add Only, Priority two modes for Policy Routing feature;
4. Add two sub-modes of Failover mode for Link Backup feature;
5. Enhance contents of System Log module;
6. Enhance the stability of the router;
7. Enhance the module of NAT;
8. Enhance the module of Firewall;
9. IP-MAC Binding entries will no longer take effect when ARP Spoofing Defense is disabled.;
10. DDNS can create entries for different domain names with the same account;
11. Fix the bug that web filtering is case-insensitive;
Note:
For TL-ER5120 V3.0

TL-ER5120(UN)_V3_20180125

 Download
Published Date: 2018-02-07 Language: English File Size: 15.05 MB

Modifications and Bug Fixes:
1. Fixed the security hole of zero-day flaws and dnsmasq;
2. Enhanced the function of Virtual Server;
3. Added the bulk import option in ARP scanning;
4. Fixed the issue of wrong profix of LAN in 6to4 Tunnel mode;
5. Fixed the problem of static routing via LAN interface;
6. Enhanced the Traffic Statistics;
7. Enhanced the stability of Load Balancing;
8. Fixed the DDNS problem which will update the wrong WAN IP;
9. Fixed some save config issue on the page.

Note:
For TL-ER5120(UN) V3

TL-ER5120(UN)_V3_170609

 Download
Published Date: 2017-06-09 Language: English File Size: 15.04 MB

Modifications and Bug Fixes:

Bug Fixes:
Fixed the problem of PPPoE dial-up fail when enable IPTV bridge mode.
 

Notes:

For TL-ER5120(UN) V3

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.

GPL Code

Emulators

Firmware Version
Working Mode
Language
170413
-
English

Note:

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.

Feature Filter: All MaintenanceNetworkVPNLoad BalancingFirewallAccess ControlHardware Installation

Q&A

Feature Configuration Guide

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