How to upgrade the firmware of 3G/4G Wireless Router TL-MR3420 (new logo)
Configuration Guide
Updated 06-27-2022 07:24:53 AM80121
This Article Applies to:
TL-MR3420( V5 )
Recent updates may have expanded access to feature(s) discussed in this FAQ. Visit your product's support page, select the correct hardware version for your device and check either the Datasheet or the firmware section for the latest improvements added to your product.
TP-Link aims at providing better network experience for users. We will inform you through the web management page if there’s any update firmware available for your router. Also, the latest firmware will be released at the TP-Link official website www.tp-link.com, and you can download it from the Support page for free.
Note:
• Make sure you remove all attached USB devices from the router before the firmware upgrade to prevent data loss.
• Backup your router configuration before firmware upgrade.
• Do NOT turn off the router during the firmware upgrade.
Note: TL-MR3420_V5 is used for demonstration in this article.
Click Backup to save a copy of the current settings to your local computer. A ‘.bin’ file of the current settings will be stored to your computer.
Online Upgrade
1. When the latest firmware is available for your router, the update icon will display in the top-right corner of the page. Click the icon to go to the Firmware Upgrade page.
Alternatively, you can go to Advanced > System Tools > Firmware Upgrade, and click Check for upgrade to see whether the latest firmware is released.
2. Focus on the Online Upgrade section, and click Upgrade.
3. Wait a few minutes for the upgrade and reboot to complete.
Tips: If there’s a new and important firmware update for your router, you will see the notification (similar as shown below) on your computer as long as a web browser is opened. Click Upgrade now, and log in to the web management page with the password you set for the router. You will see the Firmware Upgrade page.
Manual Upgrade
1. Download the latest firmware file for the router from www.tp-link.com.
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