In the early morning of April 1, Apple officially pushed the iOS/iPadOS 15.4.1 update to users, the version number is 19E258, half a month has passed since the last official update. One of the most important improvements is the fix that the previous iOS 15.4 battery drained too fast. Apple mentioned in the system update that it is recommended for all users to install.
Previously, the iOS 15.4 official version of the endurance overturned, caused a lot of user dissatisfaction, some users said that the iPhone 11 in 24 hours to consume 80% of the power, while the screen on time is only 2 hours, like the iPhone 13 Pro Max such a model with a large battery can only last half a day. Some overseas testing institutions, after passing the actual test, found that the iPhone 12 and iPhone 13 series have a lot of endurance decline, which seriously affects the use experience. In response to this matter, Apple also responded that it has investigated the problem of battery life crash raised by some users.
However, although the battery life has become some trouble, iOS 15.4 still brings a very practical and well-received function, that is, mask unlocking. After upgrading to iOS 15.4, enter the system settings and select "Face ID and Password", turn on the "Wear Mask to Use Face ID" switch, enter Face ID according to the prompts, and unlock the iPhone with the mask after completion.
It is worth noting that in addition to fixing the power consumption too fast, the iOS 15.4.1 version also brings some security updates, apple recommends that all users install. This update includes the following bug fixes for iPhone:
Fixed an issue where after updating to iOS 15.4, the phone battery may consume faster than expected;
Braille devices may not respond when navigating text or displaying reminders;
Made for iPhone hearing devices may have lost connectivity in some third-party apps.
If you have previously updated the iOS 15.4 version and feel that it is more power-hungry, you can upgrade to the iOS 15.4.1 version. This update comes about two weeks after the release of the new iPhone SE and iOS 15.4, and this may be the last major feature update before iOS 16.