9 iPhones tested iOS15.4.1 battery life: iPhone13 battery life plummeted-EEWORLD

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Apple released the official version of iOS15.4 about a few weeks ago, which is also the fourth major upgrade of iOS15. However, after the last upgrade, some models have consumed power quickly and their running speed has slowed down. Although a new feature of unlocking the iPhone while wearing a mask has been added, users seem to be more concerned about power consumption. Apple has now released the official version of iOS15.4.1, so has the battery life improved? Now here are the old iPhoneSE, iPhone6s, iPhone7, iPhone8, iPhoneXR, iPhone11, iPhone12 and iPhone13. Next, these 9 iPhones will be upgraded to iOS15.4.1, and a battery life test will be conducted, and then compared with the iOS15.4 battery life test time, let's see what the results are? #iOS#

This battery life test uses special software and is conducted under extreme conditions, so the battery life test time does not represent the actual usage time. Next, we will officially enter the test phase, fully charge all 9 iPhones, turn off cellular data, connect to WIFI, and then start the battery life test software. During the test, we can see that when the iPhone SE has a low battery alarm, the iPhone 6S and iPhone 7 are also close to 20% remaining power. The remaining power of models such as the iPhone XR exceeds 50%.

Let’s take a look at the battery life test time of these 9 iPhones upgraded to iOS15.4.1:

The battery life of the old iPhone SE is 4 hours and 48 minutes.

iPhone 6S battery life test time is 3 hours and 17 minutes

iPhone 7 battery life test time is 3 hours and 42 minutes

iPhone 8 battery life test time is 3 hours and 27 minutes

iPhoneXR battery life test time is 4 hours and 55 minutes

iPhone 11 battery life test time is 5 hours and 16 minutes

iPhone 12 battery life test time is 6 hours and 30 minutes

iPhone 13 battery life test time is 8 hours

The battery life test time of iPhone SE 2 is 3 hours and 48 minutes

Then compare the battery life test time of these 9 iPhones with iOS15.4:

After the old iPhone SE was upgraded to iOS15.4.1, the battery life was 4 minutes less than that of iOS15.4.

After iPhone6S is upgraded to iOS15.4.1, the battery life is 4 minutes longer than iOS15.4.

After iPhone7 was upgraded to iOS15.4.1, the battery life increased by 9 minutes compared to iOS15.4.

After iPhone8 upgraded to iOS15.4.1, the battery life increased by 9 minutes compared to iOS15.4.

After iPhoneXR upgraded to iOS15.4.1, the battery life was 16 minutes less than that of iOS15.4.

After iPhone11 upgraded to iOS15.4.1, the battery life was 18 minutes less than that of iOS15.4.

After iPhone12 is upgraded to iOS15.4.1, the battery life is 18 minutes longer than iOS15.4.

After iPhone13 was upgraded to iOS15.4.1, the battery life was 26 minutes less than that of iOS15.4.

After iPhone SE 2 is upgraded to iOS 15.4.1, the battery life is the same as iOS 15.4.

Summary: Only the iPhone SE2 has the same battery life after the upgrade. The battery life of the old iPhone SE, iPhone XR, iPhone 11, and iPhone 13 has decreased. The performance of iPhone 13 is disappointing, with a battery life decrease of 26 minutes. The battery life of the four models including iPhone 6S, iPhone 7, iPhone 8, and iPhone 12 has been improved after the upgrade, especially the iPhone 12, which has performed very amazingly, with a battery life increase of 18 minutes. This is Apple's first 5G mobile phone equipped with an A14 processor. Even though it has been released for almost 2 years, its performance is still excellent and it is worth buying.

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