The design tweaks on the Galaxy S25 Ultra are nice, but that's not a reason to upgrade. Neither are a bunch of new AI tricks.

Over a year since it dipped into generative artificial intelligence, Samsung’s Galaxy S-series phones are now the vanguard for its gen-AI features. This year, we’re getting even deeper hooks into Google’s Gemini AI assistant and more built-in software tricks than ever before.

With a bunch of improved features, the Galaxy S25 Ultra offers smooth performance and a refined experience. But do the incremental upgrades justify a switch for users of earlier Galaxy models?