OnePlus 13s Review | The best compact smartphone of 2025?

Let me preface this review by pointing out just how wild it is that, in 2025, a smartphone sporting a 6.3-inch screen is considered compact. But that’s the reality we live in — one in which phones with larger and larger displays are becoming the norm, and smartphones which, even a few years ago, would have been considered large are, by today’s standards, compact. 

That said, OnePlus’ first-ever compact flagship, the OnePlus 13s, is a serious bit of kit contained in a, well, compact form factor.

Sure, other brands have released phones that are just…