Sign in with your Apple ID – Apple Support
Open the Settings app. · Tap Sign in to your [device]. On iPhone, sign in to your Apple ID in the Settings app · Enter your Apple ID and password.
Your Account – Shopping Help – Apple
Sign in to Your Account(Opens in a new window) to begin taking advantage of them: The iTunes Store, for buying music, movies, and TV shows; The App Store, for …
Apple iCloud
Sign in to iCloud to access your photos, videos, documents, notes, contacts, and more. Use your Apple ID or create a new account to start using Apple …