TP-Link Archer AX21 how to update the firmware from a downloaded file
When you downloaded a firmware file for the router from www.tp-link.com.
Steps
- Download the newest firmware file for the router from the Support page of www.tp-link.com.
- Log in at http://tplinkwifi.net and go to Advanced > System > Firmware Update.
NOTICE
Back up the router's configuration before the update, and do not turn off the router during the update.
Signal word assigned by Model Handbook Source: 15.1 Update the Firmware, pp. 81 to 81
- In the Local Update section, click BROWSE, choose the file and click UPDATE.
- Wait a few minutes for the update and reboot to finish.
Source: 15.1 Update the Firmware Source: 15.1 Update the Firmware, pp. 82 to 82
Other Archer AX21 procedures
- How to reset the router with the Reset buttonWhen you want to restore factory default settings, or cannot log in and cannot recover the password.
- How to reset the router from the web pageWhen you can log in at http://tplinkwifi.net and want factory defaults.
- How to recover a forgotten web management passwordWhen you cannot log in at http://tplinkwifi.net.
- How to change the Wi-Fi name and passwordWhen you want a new wireless network name (SSID) or password.
- How to connect a device with WPSWhen a device supports WPS and you want to join it to the Wi-Fi without typing the password.
- How to update the firmware from the web pageWhen the update icon shows in the top-right corner of the web page, or you want to check for new firmware.
- How to set up the router as an access pointWhen you want the router to add Wi-Fi to an existing wired network.
Sources
- User Guide, AX1800 Dual Band Wi-Fi 6 Router Archer AX21 (US, V4.6). TP-Link Systems Inc. Document 1910013415, revision REV4.6.0, 2023, 115 pages, en-US. static.tp-link.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.