Asus rt-ax86u firmware
When you want to check for or install new router firmware.
Steps
- Open the web GUI and go to Advanced Settings > Administration > Firmware Upgrade.
- Click Check to see whether new firmware is available.
- Download the latest firmware from https://www.asus.com/Networking/RT-AX86U/HelpDesk/.
- On the Firmware Upgrade page, click Browse and select the firmware file.
- Click Upload.
- Wait for the router to reboot.
If the upgrade fails, the router enters rescue mode and the Power LED flashes slowly.
Source: 4.6.3 Firmware Upgrade and 6.1 Basic Troubleshooting Source: 4.6.3 Firmware Upgrade and 6.1 Basic Troubleshooting, pp. 90, 106
Other RT-AX86U procedures
- How to restore the router to factory defaultsWhen you want to erase the router settings, or forgot the SSID, the network password or the login.
- How to restore firmware in rescue modeWhen a firmware upgrade failed and the Power LED flashes slowly. The Firmware Restoration utility is not supported on MAC OS.
- How to connect a device with WPSWhen a device supports WPS and you want it on the Wi-Fi without typing the password.
- How to change the Wi-Fi name and passwordWhen you want a new wireless network name (SSID) or password.
- How to switch the router to Access Point modeWhen you want the router to create a new wireless network on an existing network.
Sources
- User Guide, RT-AX86U Wireless-AX5700 Dual-band Gigabit Router. ASUSTeK Computer Inc. Document E17317, revision First Edition, September 2020, 2020-09, 127 pages, en-US. dlcdnets.asus.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.