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Block the way to downgrade your iPhone! Apple closes iOS 17.5.1 verification channel
Block the way to downgrade your iPhone! Apple closes iOS 17.5.1 verification channel
According to news on August 7, Apple’s latest announcement stated that it has stopped signing the iOS 17.5.1 system, and users who upgraded to a higher version will no longer be able to downgrade themselves. In Apple's view, upgrading the system will bring new functional experiences to users while fixing vulnerabilities in the old version. Therefore, for the sake of mobile phone security, users are not recommended to downgrade.
- Other enhancements for iPhone:
- Bug fixes
- Security updates
1. Apple urgently releases iOS 17.5.1 to fix the "deleted photos reappear" problem, updated on May 21 (7 Queen).
- iOS 17.6 is a "senior care system". Many old models have a stable and smooth experience and reduce heat generation.
- It is recommended that users of previous iPhone 13 upgrade to iOS 17.6 and upgrade to iOS 18 with caution.
The above is the detailed content of Block the way to downgrade your iPhone! Apple closes iOS 17.5.1 verification channel. For more information, please follow other related articles on the PHP Chinese website!
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