On May 17, Apple pushed the official version update of IOS 15.5, upgraded the baseband to version 1.61.00, to improve the signal performance of iPhone, and fixed the problem that the home application automation program could not accurately identify the location information in the new version. On the surface, IOS 15.5 seems to have no amazing new features. Many people are hesitant to update it, but foreign media have found the hidden features of IOS 15.5.
First, in terms of security, IOS 15.5 has repaired more than 20 bugs, most of which can be triggered remotely and some can be triggered by malicious websites. Although no one has used these vulnerabilities to attack for the time being, it is better to prepare for a rainy day than to fix it.
One of the reasons why many people hesitate is that they worry that the update will do more harm than good. Foreign media tests show that the updated battery life will be longer (at least not worse than before)**
In the test of performance and overall availability, iPhone After the update, the response speed is faster (although the change is small). In the benchmark test, IOS 15.5 seems to be equivalent to IOS 15.4.1.
It is worth mentioning that Apple pushed the beta update of IOS 15.6 developer preview on May 19, developers need to use Xcode 13.3.1 to develop this version.