There’s still plenty of uncertainty about the mysterious Galaxy S25 Slim and its release, but it appears the device believed to be the S25 Slim is still being tested out, as evidenced by a discovery made in an unreleased version of Samsung’s One UI 7 software.

The Samsung Galaxy S25 series is almost here, but reports suggest their batteries won’t be any bigger than last year’s phones. So, if you’re hoping for improved battery life, you might want to wait for the Samsung Galaxy S26 series, which could have much bigger batteries.