Your Recovery Contact is a trusted pal who can help you when you have forgotten your Apple ID password
So let’s say that you get locked out of one of your devices and you can’t recall the password ID. With your iPhone, call one of your Account Recovery Contacts who will use their iPhone to obtain a shortcode that they pass on to you. You’ll tap in the number to open your account and be asked to come up with a new password for the account. Don’t be a wise guy and use passwords like, well, password, or your last name.
Instead, use a combination of letters, numbers, and special characters. And if you do forget it again, that is what trusted contacts are for. By the way, the trusted contacts you select must be an iPhone owner age 13 and up. And remember, this feature will surface only once iOS 15 has been installed on your device. While that means that you can install the iOS 15 public beta and use the feature now, it is not worth the bugs and hit to battery life you’ll have to deal with until the final stable version of iOS 15 launches in about two months.