Ensure the "Latest" tag is present. Check the "Checksum" (MD5/SHA256) to verify file integrity after downloading.
Before downloading, you must know your specific hardware model and current version. Installing the wrong firmware can "brick" the device, rendering it unusable.
Depending on your setup, there are three common ways to apply the downloaded firmware: 1. Automatic Update (Recommended) Download Firmware Ubiquiti
Paste the URL of the firmware or upload the file directly from your computer. 3. SSH Manual Update For advanced users or unresponsive devices: Download the firmware link. Access the device via SSH (using PuTTY or Terminal). Run the command: upgrade [URL_TO_FIRMWARE] . The device will reboot and apply the update. Critical Pre-Update Checklist ⚡
If your device is connected to the internet and managed by a UniFi Console, you can simply click "Update" next to the device in the "Devices" tab. This downloads and installs the firmware automatically. 2. Local Manual Upload Ensure the "Latest" tag is present
Read the "Known Issues" section on the Ubiquiti Community forum.
If your network is "air-gapped" (no internet), follow these steps: Open the device settings in the UniFi Controller. Go to . Installing the wrong firmware can "brick" the device,
This is usually due to a cached file error. Try clearing the UniFi Controller cache or using the SSH method.