If Apple opens this beta up to the public, you'll need your Apple ID to enroll. Track it down right now. You'll also need your ID if you're coming from a version of iOS that's older than iOS 9. Say, iOS 8. Track it down.
There's a chance that the iOS 9.2.1 beta will log you out of some of your applications and services so you'll want to have your passwords handy for those as well. If you don't track them down ahead of time, you might have to spend awhile trying to get back in. And no one wants to waste time doing that. |