The US is the runaway leader when it comes to AI development, but there is still plenty of smartphone innovation happening outside of Silicon Valley. Some of the most advanced phones in the world – the Xiaomi 15 Ultra , Oppo Find X8 Pro , and Honor Magic 7 Pro , for instance – aren’t officially sold in the US, while the world’s most sustainable phone, the Fairphone 6 , is currently only available in European markets. Scratch that: you can buy the Fairphone 6 in the US, but only in a de-Googled /