Three universities in the United States have officially made good on Apple’s WWDC 2018 promise of a contactless identification card. This comes at the same time as Apple rolls out the iMessage-based Business Chat feature to a slew of new countries.

T-Mobile has just added Business Chat for iMessage support in iOS 11.3 for iPhone and iPad. Here are the details.

Here’s how to go about using iMessage Business Chat feature in iOS 11.3 or later on your iPhone, iPad (or even Mac running macOS 10.13.4).

A new feature in iOS 11, called Business Chat for iMessage, is now available in developer preview. Here are the details on how it works.