Not so long ago Apple released the final build of iOS 12.4. We have already published material, which compared the performance of the system. It’s time to tell about battery life. Is there a drastic improvement in comparison with iOS 12.3.1? The answer to this question is the blogger iAppleBytes, which conducted testing of smartphones before and after the upgrade.

The experiment involved the following smartphones: iPhone 5s, iPhone 6, iPhone 6s, iPhone 7 and iPhone 8. As the methods of testing used a well-known benchmark Geekbench test mode of battery.

In order to reduce the error to a minimum, the test was conducted on the same devices — first on iOS 12.3.1, then on iOS 12.4. Thus, the battery status will be identical in both cases.

The results were impressive. Almost all devices showed an increase in time of Autonomous work, and in some cases the difference was enormous.

iOS 12.4

iPhone 5s is 3 hours and 4 minutes;

iPhone 6 is 3 hours and 20 minutes;

the iPhone 6s is 3 hours and 25 minutes;

the iPhone 7 is 3 hours and 43 minutes;

iPhone 8 — 3 hours and 40 minutes.

iOS 12.3.1

iPhone 5s — 2 hours and 46 minutes.

iPhone 6 — 2 hours and 46 minutes.

the iPhone 6s is 3 hours and 25 minutes;

the iPhone 7 is 3 hours and 9 minutes;

iPhone 8 is 3 hours and 21 minutes.

See also: What’s new in iOS 12.4 and which devices support it

In actual manufacture of the iPhone 6 was able to work for 34 minutes longer, the iPhone 7 has managed to improve the score on 32 minutes, and iPhone 8 — 19. Apparently, Apple did a great job on optimizing energy consumption. However, such a scenario was quite expected, given that iOS 12.4 will be the last major update for the iPhone 5s and iPhone 6.

It is noteworthy that the only smartphone that the battery life has not changed at all, has become the iPhone 6s.