For weeks, there has been surrounding the Nothing (3a) series, which includes two phones set to be officially announced on Tuesday, March 4. One of the company’s teasers has focused on a new button, the purpose of which has remained a mystery until now.

A tipster has helped Smartprix uncover the mystery behind the new physical button on the Phone 3a series. According to the outlet, the button is a dedicated key for activating Nothing’s custom AI. This button is apparently the “Essential Key” and it is linked to an AI-powered hub known as Essential Space.”

Samsung is gearing up to launch new A-series models, while Xiaomi will announce the 15 and 15 Ultra in the global market including India this month. So without any further delays, lets take a look at the list of phones that are launching in March 2025.

The new Phone 3a series smartphone continues the design language of the Phone 2a with a centrally aligned horizontal camera bar

Pro is launching soon with a new design and upgraded features. Here are four reasons we think the smartphone could stand up the “Pro” name.