Don't install the iOS 11 beta on your primary device

Apple on Monday opened testing of iOS 11 to the general public. (Read our first impressions on how it changes the iPhone and the iPad.) Signing up and installing the beta takes just a few minutes of your time. However, it's important to remember that a public beta -- regardless of how stable it may seem -- can wreak havoc on your device and, potentially, the data stored on it.

Instead, the best approach to helping Apple beta test its software is to use a secondary device, such as an old iPad or iPhone or iPod Touch. Still tempted? Here are a few reasons why it's a good idea to wait or, at the very least, not install a public beta on your main devices.

Read more here: https://www.cnet.com/how-to/psa-dont-install-the-ios-11-beta-on-your-primary-device/