One of the most important changes in Samsung’s new phones is a simple one: when you long-press the side button on your phone, instead of activating Samsung’s own Bixby assistant by default, you’ll get Google Gemini .

It's becoming more and more clear that you simply cannot launch a new smartphone these days without paying loads of attention to the included AI assistant. This is as true as ever with today's launch of the Galaxy S25 series,

The Galaxy S25 is a tale of two AIs: Gemini and Bixby. Yes, while Google's Gemini AI assistant sits at the forefront—it can finally be triggered through a long press of the power button—Samsung is bringing its original Bixby voice assistant out from the shadows.