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Make sure that your iPhone, iPad or PC has a strong Internet connection and that youve turned on mobile data on your iPhone or iPad by going to Settings > Cellular or Mobile Data. The services you can try include Apple Online Store, Apple Retail store services, iTunes, Apple TV, FaceTime, iCloud, Apple Support Communities, etc. If youre not able to sign in using mobile data only. The first thing you should do is to re-login your Apple ID on any of the Apple services that you often utilize. Some firewalls allow selective configuration of UDP or TCP ports with the same number, so it's important to know the type of port you're configuring. If your firewall doesn't allow you to specify the type of port, configuring one type of port probably configures the other. Re-login Apple ID on Any Apple Service That You’re Using. When you find a product in this list, search (Command-F) in your browser for that name, then repeat your search (Command-G) to locate all occurrences of that product.

For example, a VPN service can use up to four different ports. Try singing in again to iMessage or FaceTime Or try resetting your login keychain. Some services might use more than one of these ports. Go to System Preferences > iCloud and uncheck the Keychain option to stop using iCloud Keychain temporarily. Click Reset Password in the email, or enter the. Some software might use different ports and services, so it can be helpful to use port-watching software when deciding how to set up firewalls or similar access-control schemes. Choose Email authentication or Answer Security Questions and click Next. This guide is updated periodically with information available at the time of publication. For hosts and ports specific to enterprise networks, learn about using Apple products on enterprise networks. This is a quick-reference guide showing common examples, not a comprehensive list of ports.

Icloud facetime login not working authentication