The UniFi Cloud Key securely runs a local instance of the UniFi Controller software and features cloud Single Sign-On for remote access. The CloudKey is powered via 48V 802.3af or Passive PoE (Pairs 4, 5+; 7, 8 Return) or Micro-USB (5V via external power supply)
Upgrading the Controller Version on a CloudKey
The CloudKey is programed to upgrade to the latest stable version of the controller software via a simple click of a button.
Upgrading the CloudKey Firmware
Upgrading CloudKey via Maintenance Page
From UniFi Cloud Key WebUI: Maintenance (lefthand side) -> UPDATE MANUALLY. From here you can either paste the URL, or if you downloaded the binary you can select the file locally on your computer.
Upgrading Cloud Key via Command Line
ubnt-systool fwupdate <new-firmware-url>
So for example, to install version 0.8.2 (the current version as of the time of writing), you would run the following command.
ubnt-systool fwupdate https://dl.ubnt.com/unifi/stage/cloudkey/firmware/UCK/UCK.mtk7623.v0.8.2.c653dde.171107.2039.bin
- "UniFi Cloud Key - Ubiquiti Networks". 2017-11-13.
- "UniFi Cloud Key - Ubiquiti Networks Store". 2017-11-13.
- "UniFi Cloud Key firmware 0.8.2 has been released". 2017-11-09.