Earlier Apple launched the official version of iOS 13.5, the Unc0ver jailbreak teams quickly released an update. At present, iOS 13.5 and below versions can complete the jailbreak through the vulnerability.
However, Apple is also quickly launching a new version to block the loopholes used in jailbreaking. If users want to jailbreak, then do not update to the latest official version.
As mentioned in the title, this update is only a security update, so there are no new features. Users who are not planning to jailbreak can upgrade the new version in the check update.
In addition, Apple also introduced watchOS version 6.2.6, iPadOS version 13.5.1, and security updates for HomePod speakers and Apple TV.
This update only applies to iPhone 6S and later, iPad Air 2 and later, iPad Mini 4 and later, and iPod Touch 7th generation.
This update is mainly used to improve the memory processing mechanism to solve the problem of memory consumption. This update is aimed at the CVE-2020-9859 unc0ver security vulnerability.
With the help of this security vulnerability, an attacker can allow an application to execute arbitrary code with kernel-level permissions.
For security reasons, please go to the iOS Settings-General-Software Update page, and then follow the system prompts to download iOS 13.5.1 and install it when connected to power.