Go to : https://www.ui.com/download/software
: v5.5.6 is quite old (circa ~2016). Consider: Ubnt Firmware Xw.v5.5.6 Download
:
Firmware 5.6.4 Download request [Solved] - Ubiquiti Community Go to : https://www
If it is missing from the main site, check the Ubiquiti Community forums where users often share direct links to archived files hosted on the official dl.ubnt.com servers. Ubnt Firmware Xw.v5.5.6 Download