On December 20, Apple launched the new iOS 17.2.1 system for its iPhone users, which is mainly designed to solve the problem of excessive battery consumption in a specific use case. How much improvement can this new version of the update bring in terms of power range? A well-known overseas technology blogger recently uploaded a video showing the detailed process and comparison results of the relevant performance tests.
Here's how the test works and what you can do:
First, we adjusted the screen brightness to 25% for all tested iPhones, turned off auto-brightness, and made sure that all other settings were consistent and that all devices were connected to the same network access point. Next, we put these devices through gaming performance tests to see how long it took for them to drop from full charge to zero.
According to preliminary test data:
The iPhone SE (2020) has a battery life of about 3 hours and 20 minutes under the new iOS 17.2.1.
The iPhone XR clocked in 4 hours and 35 minutes.
The iPhone 11 has a battery life of up to 5 hours and 14 minutes.
The iPhone 12 exceeded 5 hours and 44 minutes.
The iPhone 13 has a battery life of 6 hours and 58 minutes after upgrading to iOS 17.2.1.
It's worth noting that only the iPhone 11 has seen a significant increase in battery life after upgrading to iOS 17.2.1. For example, its score on the Geekbench 4 test rose from 2,993 to 3,129, an increase of 4.5%. In contrast, after adjusting for battery health, the device's score in this test climbed from 3,024 to 3,226, an increase of 6.7%.
However, for other iPhone models, their autonomy has shown a downward trend to varying degrees. In the case of the iPhone 13, for example, it scored 4460 points under iOS 17.2, but after upgrading to the latest system, this value dropped to 4180 points, a drop of 6.3%. Similarly, after adjusting the battery health, the model's score dropped to 4447 points compared to the original score of 4745, a further decline of 6.3%.