Apple closes the iOS 12.5.2 system verification channel, and iPhone 5s/6 can no longer be downgraded and restored « Naijatechnews

Apple closes the iOS 12.5.2 system verification channel, and iPhone 5s/6 can no longer be downgraded and restored


On May 4, Apple released the official version of iOS 12.5.3 update, which is suitable for older iPhone models that cannot install the iOS 14 update. Apple stated that this update provides important security updates and is recommended for all users to install.

Apple closes the iOS 12.5.2 system verification channel, and iPhone 5s/6 can no longer be downgraded and restored
iOS 12.5.2

Today, developers discovered that Apple has stopped signing for iOS 12.5.2. This means that it is no longer possible to downgrade or restore to the iOS 12.5.2 system through iTunes or Finder.

Apple closes the iOS 12.5.2 system verification channel, and iPhone 5s/6 can no longer be downgraded and restored
iPhone

The iOS 12.5.3 security instructions show that this update also solves the problems of memory corruption and integer overflow in WebKit, which may be exploited by maliciously produced web content. Apple said that there are reports that these problems may have been exploited, and users are advised to upgrade immediately.

Naijatechnews understands that this update is applicable to iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and the sixth-generation iPod touch. These devices no longer support iOS 13.

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