The Samsung Galaxy S25’s best feature will probably be one you can’t see

The next generation of Samsung flagships is nearly here – we’re expecting to hear official news of the Samsung Galaxy S25, S25 Plus, and S25 Ultra by the end of the month – and I suspect that this year's most consequential Galaxy upgrade will have nothing to do with the new phones' appearance.

It’s easy to get excited about the prospect of cutting-edge tech whenever a phone maker announces a new flagship model, but in reality, we’ve generally seen year-on-year progress slow down when it comes to the major components and functions of modern smartphones – at least those that you can see.

The Samsung Galaxy series, for its part, has inhabited roughly the same form factor for half a decade; the Google Pixel series has focused on stabilizing performance with each version; and the iPhone 16 is the first truly new-feeling handset from ...