If your device is stuck in a boot loop or unreachable via web, TFTP is the rescue.
A hasty firmware upgrade is the leading cause of “bricked” radios. Avoid downtime by preparing the following: Upgrade Firmware Version 1.255 Ubnt Download UPD
" does not correspond to an official, modern firmware release from Ubiquiti (UBNT). Official Ubiquiti firmware versions typically follow a format like for airMAX devices or for UniFi access points. If your device is stuck in a boot
Navigate to Settings > System > Updates in your UniFi controller to see available versions for your hardware. Manual Web Update: Find the firmware URL from the Ubiquiti Community. Upgrade Firmware Version 1.255 Ubnt Download UPD