What makes a great Android interface? A few things immediately come to mind. It should be fast, reliable, feature-rich, and easy to use. In 2025, just about every option checks these boxes. As Android has matured, finding an outright bad Android UI is virtually impossible.
This means that standing out from the crowd is more difficult than ever. Even so, that’s precisely what OnePlus has managed to do with its latest build of OxygenOS. Since late December, I’ve used a OnePlus 13 with OxygenOS 15 as my daily Android phone. During that time, I’ve been thoroughly impressed with OnePlus’s software.