9 Iphone Ios1541 Battery Life Test: Even The Iphone 13’s Battery Life Has Decreased?

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iOS 15.4 was released a few weeks ago, and it’s the second major update to iOS 15. Some models appeared to consume a lot of power and run slowly after the last upgrade. Despite the addition of a new feature that allows users to unlock their iPhone by wearing a mask, users appeared to be more concerned with power consumption. And now that Apple has released iOS 15.4.1, it’s time to see if the battery life has improved. Here are the old iPhoneSEiPhone6siPhone7iPhone8iPhoneXRiPhone11iPhone12andiPhone13 models.
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Because this battery life test was performed with specialized software and under extreme conditions, the battery life test time does not reflect actual usage time. The nine iPhones will be fully charged, cellular data turned off, and connected to WIFI for the next formal test session, after which the battery life test software will be launched. During the test, the iPhone 6S and iPhone 7 have close to 20% remaining battery power when the iPhone SE low battery alarm sounds. Furthermore, the iPhone XR and other models retain more than 50% of their power.

Let’s take a look at the 9 iPhone upgrades that have been tested for battery life in iOS15.4.1.

4 hours 48 minutes is the old iPhoneSE battery life test time.

The battery life of the iPhone 6S was tested for 3 hours and 17 minutes.

The battery life of the iPhone 7 was tested for 3 hours and 42 minutes.

The battery life of the iPhone 8 was tested for 3 hours and 27 minutes.

The battery life of the iPhone XR was tested for 4 hours and 55 minutes.

The battery life of the iPhone 11 was tested for 5 hours and 16 minutes.

The battery life of the iPhone 12 was tested for 6 hours and 30 minutes.

The battery life of the iPhone 13 was tested for 8 hours.

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The battery life of the iPhoneSE2 was tested for 3 hours and 48 minutes.

Using iOS 15.4 to compare the endurance test times of these 9 iPhones

After upgrading to iOS 15.4.1, the old iPhone SE lasted 4 minutes less than iOS 15.4.

After updating to iOS 15.4.1, the iPhone 6S has 4 minutes more battery life than iOS 15.4.

After upgrading to iOS 15.4.1, the iPhone 7 lasts 9 minutes longer than iOS 15.4.

After upgrading to iOS 15.4.1, the iPhone 8 lasts 9 minutes longer than iOS 15.4.

After updating to iOS 15.4.1, the iPhone XR has 16 minutes less battery life than iOS 15.4.

After upgrading to iOS 15.4.1, the iPhone 11 lasts 18 minutes less than iOS 15.4.

After upgrading to iOS 15.4.1, the iPhone 12 lasted 18 minutes longer than iOS 15.4.

After upgrading to iOS 15.4.1, the iPhone 13 lasted 26 minutes less than iOS 15.4.

To summarize, the battery life of the iPhoneSE2 remains unchanged after the upgrade. And the performance of the old iPhoneSEiPhoneXRiPhone11iPhone13 and other 4 models, including the iPhone13, is disappointing, ranging down 26 minutes. iPhone6SiPhone7iPhone8iPhone12 and other 4 models after upgrading the range to improve, especially the iPhone12 performance is very This is Apple’s first 5G phone, equipped with A14 processor, and the performance is still excellent, even though it was released almost 2 years ago.