IT Home News on August 8, Apple pushed the iOS 17.6.1 update (internal version number: 21G93) to iPhone users today. This update comes 9 days after the last official version was released.

It should be noted that due to cache issues with node server configurations in various Apple regions, there may be a slight delay in detecting upgrade updates in some places. Usually within half an hour, not too long.
IT House inquires about the iOS/iPadOS 17.6.1 update log. Apple writes: "This update contains important bug fixes and resolves an issue that prevents advanced data protection features from being enabled or disabled." .

iCloud Premium Data Protection iCloud Advanced Data Protection provides Apple’s highest level of cloud data security. -
It protects most iCloud data using end-to-end encryption.
Advanced data protection is a Optional settings to improve data security. -
End-to-end encryption scope: -
If advanced is enabled Data protection, most iCloud data (such as cloud backup, photos, notes, etc.) will be protected by end-to-end encryption. -
In addition to the user himself, including Apple No one inside can access the end-to-end encrypted data. -
Even if a data breach occurs in the cloud, the data remains safe.
- iOS / iPadOS 17.6 System Fix:
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on iOS / In iPadOS 17.6, an out-of-sync issue when Advanced Data Protection is turned off has been fixed.
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