Home / Technology / We put iOS 12 beta on an iPhone 5S: this is what happened

We put iOS 12 beta on an iPhone 5S: this is what happened

The iOS 12 beta has a lot of features to get your attention: Memoji, FaceTime group calls and enhanced notifications.

But one of the most significant changes is the performance increase under the hood, especially for older devices like the iPhone 5S.

Apple made some great claims during WWDC's inaugural conference when iOS 12 was first introduced. Using the example of an iPhone 6 Plus:

  • Applications run up to 40 percent faster
  • The keyboard appears 50 percent faster
  • The slides to take a photo are 70 percent faster

On paper, they seem to be great improvements But the iPhone 6 Plus is not even the oldest device that can run iOS 12. That It's the iPhone 5S.

So, to see how the newest iOS works on the oldest phone, we took two models of iPhone 5S 16 GB and reset them from the factory. Then we replicated some examples of the keynote. One was running the public beta version of iOS 12 and the other version iOS 11.4.

We do not claim to be a scientific test, just an anecdotal account of how quickly the OS performed when performing real-world tasks. Note that iOS 12 is still in public beta version and performance can change from now until the final version in the fall.

In Playback:
Look at this:

iOS 12 beta speed test: how fast is it on older phones?


This is how the public beta of iOS 12 went: look at the video above to see how it looks in real time.

iOS 12 beta speed test

Task How much faster was iOS 12?
Launch of mail 0.25 seconds
Release of Safari (loading CNET.com completely) 3.5 seconds
Launching of maps Identical
Slide to take a picture of the lock screen 0.5 second
The keyboard appears (in Messages) 1 second
the reference sheet appears (in Safari) 1 second
Siri completing an application 0.5 second

Launching applications such as Safari and Mail were noticeably faster in iOS 12 beta, but the difference in others, including Weather and Maps was barely visible.

Apple's claim during the conference was that leaf sharing appears twice as fast when the system is under load. We discovered that the sharing sheet appeared much faster than in iOS 11, even when there were no other applications open. However, this result was not always consistent: after running it several times in a row, iOS 11.4 reached the beta version.

Start time was the category in which iOS 12 beta was clearly delayed. iOS 11.4 loaded much faster and was ready to run 9 seconds before iOS 12.

Watch for official performance tests once the final version of iOS 12 is released.

iOS 12 beta : release date, hidden functions and much more.

How to get iOS 12 right now : Apple is ready to receive your comments.

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