The iOS 12.3.1 update is a small maintenance release and it could have a noticeable impact on your iPhone 7’s performance.
The iOS 12.3.1 update is performing well on our iPhone 7 models right now, but some users are running into trouble after making the move.
iPhone 7 users are complaining about a variety of iOS 12.3.1 problems including weird battery drain, Bluetooth issues, Wi-Fi problems, and issues with first and third-party applications.
iOS 12.3.1 fixes some lingering issues, but moving to the new firmware is still a bit of a gamble if you’re having a great experience on iOS 12.3, iOS 12.2, iOS 12.1.4, iOS 12.1.3, iOS 12.1.2, iOS 12.1.1, iOS 12.1, iOS 12.0.1, iOS 12.0, or iOS 11.
If you install iOS 12.3.1 on your iPhone 7 or iPhone 7 Plus and can’t stand it, you have the option to downgrade back to iOS 12.3.
Unfortunately, Apple stopped signing on older iOS 12 updates so those of you coming up from iOS 12.2 should be careful with this firmware.
In this guide to the iPhone 7 iOS 12.3.1 update we’ll help you make that decision. We’ve been testing the iPhone 7’s iOS 12.3.1 update looking at key areas like battery life, connectivity, and speed. We’ve also been monitoring feedback from other iPhone 7 and iPhone 7 Plus users.
Let’s start with our impressions of the iPhone 7 iOS 12.3.1 update and then we’ll take you through the other important things to know, right now, about the latest version of iOS 12.
iPhone 7 iOS 12.3.1 Impressions & Performance
We've been using iOS 12.3.1 for several days now and we haven't noticed any huge differences between it and iOS 12.3 in terms of performance. That's a good thing.
iOS 12.3.1 still feels a lot faster than iOS 11 did on the iPhone 7. Animations and transitions are crisp and apps still open a whole lot quicker than they did on the previous operating system.
We haven't noticed any significant slowdown when using the keyboard or when pulling up our Notifications or Control Center.
Even little things like transitioning from a phone call back to the home screen, are faster with iOS 12 on board.
Battery life is stable and we haven't noticed any weird drain during our time with the software. Battery life appears to be normal.
We've been able to connect to several different routers (including eero) and we've successfully paired the devices with various Bluetooth devices (headsets, speakers).
At this point, given what's on board, most iPhone 7 and iPhone 7 Plus users should install the iOS 12.3.1 update today.
For more feedback about iOS 12 and iOS 12.3.1, please take a look at our list of reasons to and not to install the upgrade today.
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