IOS 16.4 battery life significantly reduced? Multiple iPhones with severely reduced battery life

My most wrong decision was to update iOS 16.4. Recently, many Apple fans have expressed such serious complaints, mainly because many users have reported that their battery life has significantly decreased after updating iOS 16.4. According to relevant information, the battery life of multiple iPhones has seriously decreased, which is a bit outrageous. Apple, many friends who are still struggling to update can come and take a look.

IOS 16.4 has significantly reduced battery life? Multiple iPhone batteries have significantly decreased battery life

Apple released an update to iOS 16.4 last week, and many users roast about its battery life after the update!

According to testing on the YouTube channel iAppleBytes, the iOS 16.4 version has reduced the battery life of multiple iPhones compared to previous versions. The test involves  The battery test scores of models such as iPhone 13, iPhone 12, iPhone 11, iPhone XR, and iPhone 8 have all decreased, with some even dropping by double digits.

For example, the battery score of iPhone 13 decreased by 11%, while iPhone 12 decreased by 12%.

In addition to a decrease in battery life, some iPhone users have reported issues with the weather app being unable to load data after updating to iOS 16.4. Additionally, some users have encountered issues with having to re-enter their Wi Fi password.

There are reports that Apple will soon release iOS 16.4.1, which may solve the aforementioned battery life issues.

The situation of iOS 16.4's battery life shrinking is not absolute, and many users have expressed that there has been no change in battery life. This still depends on the status of the phone, and some friends have expressed that the battery life issue after updating the system is a "metaphysical" problem, which may happen.