Quick Summary Apple has released iOS 27 public beta 3 with a number of new features to try out ahead of their official launch. For iPhone, we’re currently on iOS 27 public beta 3, after it was released at the beginning of this week. What does iOS 27 public beta 3 add? The headline addition in public beta 3 is Siri's voice customisation option, which was present but greyed out in earlier beta builds – it's finally been switched on. However, if you’d rather wait, iOS 27 is expected to launch around the same time as the new iPhone models, usually in early September.