Since Apple launched the iOS 16 operating system, the battery life of the new versions has performed well (such as: iOS 16.1, iOS 16.2, iOS 16.3), either increasing or staying flat, so for some users, it may be reassuring It will be updated as soon as there is a new version, but this time iOS 16.4 is quite surprising. Earlier, a foreign YouTube channel shared the latest iOS 16.4 battery life test report video. The 6 iPhone models tested have all deteriorated, and the iPhone 13 has the greatest impact. It seems that the newer the iPhone, the worse the battery life, which means that the iPhone 14 series may retreat even more. If you have not updated iOS 16.4, it is recommended to take it slowly.
iOS 16.4 battery life test report! All 6 iPhone models have deteriorated, and the iPhone 13 is particularly serious
The foreign YouTube channel iAppleBytes, which specializes in testing the battery life of the iOS operating system, officially uploaded a video of iOS 16.4 earlier. The 6 iPhone models are iPhone 8, iPhone SE 2020, iPhone XR, iPhone 11, iPhone 12 and iPhone 13. The test content Just like before, use Geekbench’s battery test mode to see how long each iPhone can last, and then test the battery score.
Before the test, they first adjusted the brightness settings to 25%:
Screen auto-brightness off:
The battery health is above 85%, and the iPhone 11, iPhone 12 and iPhone 13 are all around 100%:
Not surprisingly, the iPhone 8 and iPhone SE 2020 were the first to run out of power, with battery life of 2 hours and 47 minutes and 3 hours and 16 minutes respectively:
Then came the iPhone XR, iPhone 11, maintaining 5 hours and 2 minutes and 5 hours and 29 minutes:
Both the iPhone 12 and iPhone 13 have more than 6 hours, the iPhone 12 provides 6 hours and 9 minutes, and the iPhone 13 is 7 hours and 48 minutes. Some people may think that it is not bad just by looking at the time? :
But in fact, this is not the case. The picture below shows the test results of iOS 16.3. The same 6 iPhone models and the test process have a longer battery life than iOS 16.4. Like the iPhone 13, it can reach 9 hours:
The 6 battery life gaps of iOS 16.3 vs iOS 16.4:
- iPhone 8 – 5 minutes less battery life following updating to iOS 16.4
- iPhone SE 2020 – 29 minutes less battery life following updating to iOS 16.4
- iPhone XR – 41 minutes less battery life following updating to iOS 16.4
- iPhone 11 – 32 minutes less battery life following updating to iOS 16.4
- iPhone 12 – 1 hour and 2 minutes less battery life following updating to iOS 16.4
- iPhone 13 – 1 hour and 13 minutes less battery life following updating to iOS 16.4
So, if you are a person who values battery life, it is recommended not to update iOS 16.4 to see if there is any improvement in later versions.
Looking at this battery test score curve, you should be able to clearly feel that iOS 16.4 has really deteriorated a lot, which is the lowest in the current iOS 16 version:
Full video: