Hotspot 2.0/Passpoint in a Nutshell

802.11u is a 2011 amendment to the 802.11 standard that enables seamless Wi-Fi roaming and network discovery.

Although often used interchangeably with Hotspot 2.0 and Passpoint, these terms have distinct meanings.

While they share common goals and technologies, Hotspot 2.0 typically refers to the Wi-Fi Alliance's certification program, Passpoint is a specific implementation, and 802.11u is the underlying standard.

In practice, however, these terms are often used loosely to refer to the same general concept of advanced Wi-Fi roaming and network selection.

In short, it allows your device to connect to a WiFi network without being dependent on the SSID that is broadcast on the specific WiFi network.

802.11u is an amendment to 802.11 standard published in 2011. It is sometimes used interchangeably with Hotspot2.0 and Passpoint. Strictly speaking there are differences between each, however in general people can mention Hotspot2.0, Passpoint or 802.11u while referring to the same thing.