php editor Zimo brings you a simple tutorial on the iOS 11 usage guide. From how to use new gestures on your iPhone or iPad to how to adjust your operating system's settings, this tutorial will explain it to you in detail. Whether you're a newbie or an experienced user, you'll find useful tips and tricks in this guide to help you better master the capabilities and features of iOS 11.
1. After opening the phone lock screen, find [Compass] on the phone desktop and click to open it.
2. Swipe left on the interface as shown below to enter the level.
After opening the level, we can use our mobile phone to measure whether the surface is level. When it is completely horizontal, it will display 0 degrees, and when it is tilted, it will display degrees.
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