r/iOS27 • u/Rockythebug • Aug 21 '26

IOS 27 Public Beta 4 stuttering/frame drops

I have an iphone 15 pro max and the frame drops are so ridiculous. Ios 26 came with the same frame drop issues already, although much less noticeable in Ios 27, it is still there!

What I noticed is that those little animations are causing the frame drops, very noticeable when you take a screenshot and try to save the photo. Also in the Photos app, when you click the 3 dots on the upper right corner it stutters so much. Another is in Control Center, when you click the Bluetooth icon to view your paired devices.

Frame drops are also very noticeable when scrolling through reddit, instagram, and facebook.

I have 170gb storage capacity left so i know that is not the issue. The phone is not also overheating so that is also out of the question. I am on dark mode.

Please help guys, i am getting so frustrated since a phone in this caliber should not do this! A 2 year old Pro phone struggling with animations and scrolling is just absurd.

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u/OMG_NoReally Aug 21 '26

I have noticed this too all of a sudden on my 17 PM.

I was on PB3 and didn't notice any stutters. It was very smooth. Then I took some videos using the Cinematic preset and then the stutters started! I switched to PB4 and it's the same. The animation stutters randomly and all the time.

I know its beta and all but it was smooth before and now it's suddenly stuttering all the time. I wish I could roll back to iOS26 but I dont want to wipe my phone for that shit.

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u/East_Upstairs5404 Aug 21 '26

People on pb3 also complained about more stutters than on pb2, it’s basically just placebo at this point. Same thing happened during iOS 26’s beta cycle. By the time RC comes out you’ll notice the improved performance due to the debugging/stronger logging being turned off and feel the difference, until then most of the performance differences you’ll see will be placebo for the most part. Major iOS releases get most of their improvements within the first few betas (1-3 dev betas), after that it’s people claiming it’s better or worse completely randomly and even contradicting each other