Ok I am seriously considering this phone now!
TL;DR: You need to be viewing 4k content for the phone to be 4k, like a video or picture. Otherwise it is 1080p
The Z5 Premium's Resolution is Not Always 4K, but That's a Good Thing - XDA Forums
TL;DR: You need to be viewing 4k content for the phone to be 4k, like a video or picture. Otherwise it is 1080p
The Z5 Premium's Resolution is Not Always 4K, but That's a Good Thing - XDA Forums