iOS configuration files can be used for a variety of purposes, such as participating in the Apple Beta Software Program, making seamless Wi-Fi connections or changing settings. These files can be removed once they are no longer useful. Of course, if you're using a work iPhone the organization managing your iPhone may prevent the removal of iOS configuration files.
Rejecting an incoming call on the iPhone only takes one tap. The red Decline button immediately stops ringing on the other end of the line and starts your voicemail greeting. But there's a way to let the iPhone ring on silently, so the caller believes you're away or too busy to answer.
The Uber Safety Toolkit includes the ability to quickly contact 911 if you're having an emergency while using the ride sharing service. When using the 911 button in Uber, the app will give you a location, vehicle information and license plate number so you can share it with the 911 dispatcher. This will allow emergency services to locate you faster.
One of the most talked about features introduced in iOS 13 is system-wide Dark Mode. The inverted color scheme is no longer relegated to only third-party apps. It has been integrated throughout iOS including most stock apps, settings and system-level views. You can choose when to give your eyes a rest by manually enabling Dark Mode or schedule it like Night Shift to switch over at night. You can also create your own schedule and choose how dark you want your device to become.
Some iPhone owners may be surprised to hear that a random subset of Siri activations are sent to Apple for human analysis. The Guardian reported that Apple logs these Siri requests to improve Siri responses and dictation.