When Apple releases a new version of iOS, owners of previous generation devices are always a tad hesitant to upgrade, worried that the added features will bog down their device and make it run slower than it originally did. While iOS 9 has been the quickest adopted version of Apple’s operating system yet, there are likely still some holdouts worried about device performance. YouTuber iAppleBytes has this evening shared videos comparing the performance of iOS 9.0.1 to iOS 8.4.1 on the iPhone 4S, iPhone 5, and iPhone 5S…
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The general consensus throughout the three videos is that overall, general device performance has taken a step back with iOS 9 on the iPhone 4s, 5, and 5s. As you can tell in the videos below, the device that appears to suffer the hardest hit in terms of performance is the iPhone 4S. That’s to be expected, however, seeing that it was released all the way back in 2011.
All three videos show a general added layer of lag with iOS 9 compared to iOS 8.4.1. On the iPhone 4S and iPhone 5, the boot time was increased by several seconds with iOS 9, while it is nearly the same on the iPhone 5S. Camera performance across all three devices is slightly slower with iOS 9/iOS 9.0.1, although there’s a very small difference with the iPhone 5S. One point of improvement, however, appears to be in the performance of Siri. Apple’s virtual assistant was quicker to respond in almost every instance with iOS 9 than it was with iOS 8.4.1.
Our own poll from last week shows that 36 percent of users are experiencing “significantly” slower performance after updating to iOS 9, while 31 percent say their device is “a little bit slower.” Today’s videos, however, do show some minor improvements in iOS 9.0.1 compared to iOS 9.
Earlier this week, Apple stated that iOS 9 has already been installed on 50 percent of devices, giving it the fastest adoption rate of any iOS release to date. The release hasn’t been without its issues, though. iOS 9.0.1 was released earlier today, however, in an effort to squash some of the more severe bugs that users have been experiencing.
You can view iAppleBytes’s videos comparing performance on iOS 9.0.1 to performance on iOS 8.4.1 below: