Whenever Apple upgrades iOS, fruit powder is very concerned, because fruit powder is generally skeptical about the upgrade of new iOS. After all, every update of iOS is not a good thing, and sometimes it will have the opposite impact on the iPhone experience. So what impact does the upgrade of iOS 15.2.1 have on the battery use experience of the iPhone?
This article will test the health score of the battery, battery life and other aspects through the 9 iPhones that can still be upgraded, so that everyone can understand whether iOS 15.2.1 can be upgraded, which iPhones are beneficial after the upgrade, and which iPhone battery life is affected.
A total of 9 iPhones participated in the test, namely iPhone SE, iPhone6S, iPhone 7, iPhone 8, iPhone XR, iPhone11, iPhoneSE2, iPhone12, and iPhone13.
Battery health test
After all, among the iPhones participating in this test, many models have been available for a long time, so the battery is no longer a new state. After the battery health test, after upgrading iOS 15.2.1, the battery health of iPhoneSE, iPhone6S, iPhone7, iPhone8, iPhoneXR, iPhone11, iPhoneSE2, iPhone12, iPhone12, and iPhone13 is 97%, 100%, 100%, 99%, 92%, 100%, 86%, 100%, and 100%, respectively.
If compared with the previous generation version of iOS 15.2, the battery health of the nine models of iPhone SE, iPhone6S, iPhone 7, iPhone8, iPhoneXR, iPhone11, iPhoneSE2, iPhone12, and iPhone13 has not changed.
From the perspective of battery health tests, iOS 15.2.1 and iOS 15.2 have no obvious changes for these 9 iPhones.
Battery life test results
In the battery life test, the battery life of the nine iPhones, iPhone SE, iPhone6S, iPhone7, iPhone8, iPhoneXR, iPhone11, iPhoneSE2, iPhone12, and iPhone13, respectively, was 2 hours and 53 minutes, 2 hours and 33 minutes, 3 hours and 34 minutes, 3 hours and 23 minutes, 5 hours and 6 minutes, 5 hours and 33 minutes, 3 hours and 18 minutes, respectively. 6 hours 41 minutes, 8 hours 29 minutes.
Among them, the longest battery life is still the iPhone13, the second in the battery life is the iPhone 12, the third in the endurance time is the iPhone 11, the fourth in the endurance time is the iPhoneXR, the fifth in the endurance is the iPhone 7, the sixth in the endurance is the iPhone8, the seventh in the endurance is the iPhone SE2, and the eighth in the endurance is the iPhoneSE. The ninth most battery life is the iPhone 6S.
Of the 9 iPhones, some of them have increased battery life.
Battery performance test score
Through the GeekBench battery performance test, the battery scores of iPhoneSE, iPhone6S, iPhone7, iPhone8, iPhoneXR, iPhone11, iPhoneSE2, iPhone12, and iPhone13 were 1730 points, 1530 points, 2131 points, 2020 points, 3042 points, 3315 points, 1976 points, 4010 points, 5090 points, respectively. The highest battery score is the iPhone 13. However, among the 9 iPhones, the battery score after upgrading iOS 15.2.1 is high and low.
These iPhones are recommended for upgrades
After upgrading iOS 15.2.1, the battery performance score of the iPhoneSE is increased, and the battery performance score of the iPhone6S is reduced.
The iPhone 7 and iPhone 8 also had lower performance scores after upgrading to iOS 15.2.1.
The battery performance of the iPhone XR was reduced after upgrading to iOS 15.2.1, and the iPhone11 was increased after upgrading iOS 15.2.1.
The iPhoneSE2020's battery performance score has increased slightly.
The increase in battery performance after the iPhone 12 upgraded to iOS 15.2.1 is very obvious, while the iPhone 13's battery performance score is in line with the score of the previous generation iOS 15.2.
The battery performance scores of the four iPhones iPhones iPhones, iPhone SE, iPhone11, iPhone12, and iPhone SE2020 have all increased.
brief summary
For iOS15.2.1, iPhone SE, iPhone11, iPhone12, iPhone SE2020 these four iPhones are still recommended to upgrade, because the battery performance after the upgrade increases, and the battery life performance is also improved.