search

Home  >  Article  >  Mobile Tutorial  >  Apple stops signing iOS 17.5.1, upgraded iPhone users can no longer downgrade

Apple stops signing iOS 17.5.1, upgraded iPhone users can no longer downgrade

王林
王林Original
2024-08-07 20:35:501097browse

On August 6, Apple issued an announcement today, announcing that it would stop signing the iOS 17.5.1 system, which means that users who have upgraded to a higher version will no longer be able to downgrade themselves.

苹果停止签署 iOS 17.5.1，已升级 iPhone 用户无法再降级

1. Apple typically blocks users from installing older versions of iOS to encourage customers to keep their operating system up to date and to prevent downgrading to older, less secure iPhone OS versions.
  1. Note: Apple originally released the official iOS 17.5.1 update on May 21, and then re-released the iPadOS 17.5.1 update for iPad 10 users on June 4.
  2. This update only fixes some important bugs and resolves an issue where a corrupted database could cause deleted photos to reappear in the Photos library in rare cases.

The above is the detailed content of Apple stops signing iOS 17.5.1, upgraded iPhone users can no longer downgrade. For more information, please follow other related articles on the PHP Chinese website!

数据库 ios iphone ipad
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Industry exclusive! Yu Chengdong: Huawei’s Beidou satellite picture messages can be compressed ten thousand times, and can be used once to last a lifetimeNext article：Industry exclusive! Yu Chengdong: Huawei’s Beidou satellite picture messages can be compressed ten thousand times, and can be used once to last a lifetime

Related articles

See more