This is the most straightforward approach for most users: How to Recover Ubiquiti Devices via TFTP
Safe deployment strategy
Search for your specific product model in the search bar, select the firmware tab, and download the latest 2. Upgrading via Web Interface (Controller) Navigate to and create a backup of your current settings. Locate Firmware: Go to the device properties panel in your controller.
Log in with your device credentials (default is often ubnt / ubnt ).