Apple stops signing iOS and iPadOS 16.4.1 preventing downgrades.

Reference: Apple Stops Signing iOS 16.4.1 to Prevent Downgrading

Recommendations

Developer:

Keep devices from upgrading, if iOS 16.4 testing is needed.

QA engineer:

Keep devices from upgrading, if iOS 16.4 testing is needed.

PM/DM:

Business as usual.

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