iOS 16.3 appears to be forcing some users to protect their accounts with 2FA

For most users, iOS 16.3 was an incidental upgrade, bringing important security updates and fixes along with a few new features, including support for security keys for Apple IDs. But some users are reporting a problem connecting to their iCloud Drive and Backup—and the problem appears to be related to two-factor authentication. Apple hasn’t officially responded to the issue, but a few Apple Support Community posts and other online forums outline the problem. After upgrading to iOS 16.3 and

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