Easier WiFi Sharing
It's easier than ever to share your WiFi password with a friend or family member using iOS 11. Instead of
Instead of remembering your password, or trying to tell them the right way to type your kid's name with five weird characters, which you also use for your bank password, you can just share access.
When someone is at your house and wants to connect you'll see a small pop up that someone wants to connect to your WiFi network. You can tap on Send Password and they will be able to log in right away.
the devices need to be near each other and unlocked for this to work.