The OnePlus 7 and OnePlus 7 Pro ship with OxygenOS 9.5, which has a few new features compared to the 9.0 builds that are still powering the OnePlus 6T from last year. Obviously 9.5 is still based on Android 9 Pie, but it comes with stuff such as Zen Mode - a feature that, when turned on, won't let you use your phone for 20 minutes (aside from receiving calls and making emergency calls and using the camera). And it's impossible to turn off before the time runs out. Why anyone would need anything like this on their phone is a debate for another time, the point is - this is coming to the...