本周二凌晨，苹果集中推送了一轮系统更新。除了面向新机型的 iOS 26.2.1 正式版之外，还同步为多代老款 iPhone 发布了维护更新，包括 iOS 18.7.4、iOS 16.7.13、iOS 15.8.6 以及 iOS ...

Apple has stopped signing several iOS updates released earlier this week, preventing users from installing them even if they ...