Samsung has revealed the Galaxy S25 series, and the base S25 will likely be a top-seller in 2025. But it won't deserve this reception.

The Galaxy S24 FE that could be thought of as the Slim's predecessor is 8 mm thin, which isn't as thin as the 7.2mm Galaxy S25 that just debuted. One rumor suggests that the goal would be to approximate the Galaxy Z Fold 6, which is 5.6mm thin when unfolded, but another number being floated around is 6.4mm.

Before you buy the Samsung Galaxy S25, you should know it's worse than the bigger models in a few key ways — here's how.