Every time Apple's iOS is upgraded, the outside world will pay great attention to it, and the main reason is that every update of iOS has a very important impact on the iPhone. Especially for the battery life of the iPhone, as well as the health of the battery, etc., there are significant changes.
It has happened before that the performance of the iPhone has decreased due to the poor battery life after the iOS upgrade, which may explain why everyone pays so much attention to each new version of iOS upgrade.
This time, a total of 6 iPhones were upgraded to iOS17.5 and carried out a comprehensive test in terms of battery, these 6 phones are iPhoneSE2020, iPhoneXR, iPhone11, iPhone12, iPhone13, and iPhone15.
Set the screen brightness of these 6 mobile phones to 25%, and then test the battery life of these 6 iPhones, and drain the battery power of these 6 iPhones, and the battery life obtained is as follows: iPhoneSE2020, iPhoneXR, iPhone11, iPhone12, iPhone13, and iPhone15 have a battery life of 3 hours and 22 minutes, 4 hours and 39 minutes, 5 hours and 29 minutes, and 6 hours and 1 minute, respectively. 5 hours 50 minutes, 10 hours 52 minutes.
The first place in battery life is iPhone15, the second place in battery life is iPhone12, the third place in battery life is iPhone13, the fourth place in battery life is iPhone11, the fifth place in battery life is iPhoneXR, and the sixth place in battery life is iPhoneSE2020.
In the second round of testing, GeekBench was run on the iPhone SE2020, iPhone XR, iPhone 11, iPhone 12, iPhone 13, and iPhone 15, and a score test was conducted on the performance of the battery.
The battery scores of these 6 mobile phones are 2011 points, 2778 points, 3277 points, 3606 points, 3500 points, and 6520 points.
After the iPhone SE2020 upgraded to iOS17.5, the battery score was 2011 points, and the battery health was 86. Compared to iOS 17.4.2's battery score of 1972, the battery score has increased, while the battery health has not changed.
So iOS17.5 is recommended to upgrade.
iOS17.5's iPhone11 battery score is 3277 points, which is a lot more than iOS17.4.2's battery score of 3327 points, and the health of the battery has also been reduced from 96% to 95%, so iPhone11 is not recommended to upgrade iOS17.5.
After iPhone12 upgraded to iOS17.5, the health of the battery has not changed, the original iOS17.4.2 battery score is 3518 points, iOS17.5 battery score is 3606 points, so after the upgrade, the battery score of iPhone12 has increased.
iPhone12依然建议升级iOS17.5。
The iPhone 13 battery score of iOS 17.5 is 3500 points, and the iPhone 13 battery score of iOS 17.4.2 is 3530 points, not only the battery score has dropped, but the battery health of the iPhone 13 has also decreased from 93% to 92%.
So iPhone13 is not recommended to upgrade iOS17.5
After iPhone15 upgraded to iOS17.5, the battery score was upgraded from 6360 points to 6520 points, and the health of the battery did not change, so iPhone15 recommended upgrading to iOS17.5.
The iPhoneXR's iOS17.4.2 battery score is 2803 points, and the iOS17.5 battery score is 2778 points, the battery score has decreased, but the battery health has not changed for the time being, so the iPhoneXR is not recommended to upgrade to iOS17.5.
最终iPhone11、iPhone13、iPhoneXR不建议升级iOS17.5,iPhoneSE2020、iPhone12、iPhone15这三部手机建议升级iOS17.5。