None of these refinements are major, but they add up to make the S25 Ultra seem more polished and less like I'm carrying a tech-dense brick around with me. As advertised, a long-press on the power ...

TechRadar’s phones team handed me the Xiaomi 15 Ultra more than a month ahead of its global unveil. This could be the best camera phone this year, they said, fancy having a play with it?