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Jayson A

macrumors 68030
Sep 16, 2014
2,671
1,935
Easy fix, as in turning off and not using Apple Music (even though some wanted to use it, like yourself)? The same easy fix as, turning on reduce transparency to reduce lag?

8.4.1 was not perfect by any stretch. 9.2 b1 is running very well on my 6+ and is much more stable than any iteration of iOS 8.

If you base everything on fluidity, you'll always be disappointed. It's never going to be perfect, just like 8.4.1 was not.

8.4.1 wasn't perfect, 8.3 was. As far as animations go though, 8.4.1 was great except for buggy music app, but there's nothing we could do about that. However, that was just one thing, but iOS 9 lags on almost everything on my iPhone 6.
 
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Lexdexia

macrumors regular
Jan 15, 2015
217
430
Even though some Apple fans swore it wasn't.

Going to try a fresh install now to see if its any less laggy on my iPhone 6.

Getting the iPad 1 form iOS 4.3 to iOS 5 vibe. Not as unusable but pretty damn annoying.

Useable? Yes

Does it feel like a blazing fast and modern OS on an iPhone that was just released a year ago? Nope.

Seems like iOS 9 was made for the newest iPhones/iPads which is disappointing because in the past, it took about 2 cycles before devices would seen noticeable slowness.
I bought a brand new iPhone 6S Plus and it has iOS 9. I've updated it to 9.1 and I still experience choppy animations across the OS that makes the device feel slower than it really is. What's ridiculous is sometimes it even feels slower than my old iPhone 6 (also running iOS 9.1). Especially the app switcher, which clearly is slower than the app switcher speed on my iPhone 6. I think 9.2 will provide some sort of relief for the sluggishness of iOS 9.1. Running the public beta on my iPad Air and the app switcher is much smoother, so likely it will be smoother for my main devices when the final version is released.
 
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Lexdexia

macrumors regular
Jan 15, 2015
217
430
100% compelty oposite for me. My iPhone 6 and iPad Air 2 are running fantastically. Much better then iOS 7 and 8
You do know iPhone 6 and iPad Air 2 came out of the box with at least iOS 8.0, right? I mean you'd totally know that if you actually owned any of the products.
 

I7guy

macrumors Nehalem
Nov 30, 2013
35,158
25,268
Gotta be in it to win it
I bought a brand new iPhone 6S Plus and it has iOS 9. I've updated it to 9.1 and I still experience choppy animations across the OS that makes the device feel slower than it really is. What's ridiculous is sometimes it even feels slower than my old iPhone 6 (also running iOS 9.1). Especially the app switcher, which clearly is slower than the app switcher speed on my iPhone 6. I think 9.2 will provide some sort of relief for the sluggishness of iOS 9.1. Running the public beta on my iPad Air and the app switcher is much smoother, so likely it will be smoother for my main devices when the final version is released.
Even with reduce motion off and reduce transparency off and live wallpapers I do not see have any difference in lag, stutter or animations.
 

Lexdexia

macrumors regular
Jan 15, 2015
217
430
Even with reduce motion off and reduce transparency off and live wallpapers I do not see have any difference in lag, stutter or animations.
My grandma doesn't notice any of the lag I saw on her iPad mini 2 running iOS 9.1. And she's old, what's your excuse?

Turning on Reduce transparency on my 6S+ makes a visible difference in frame rates compared to when the option is turned off. The most obvious being the app switcher and spotlight search.
 

I7guy

macrumors Nehalem
Nov 30, 2013
35,158
25,268
Gotta be in it to win it
My grandma doesn't notice any of the lag I saw on her iPad mini 2 running iOS 9.1. And she's old, what's your excuse?

Turning on Reduce transparency on my 6S+ makes a visible difference in frame rates compared to when the option is turned off. The most obvious being the app switcher and spotlight search.
My excuse is my 6s doesn't exhibit that behavior. :p
 

Lexdexia

macrumors regular
Jan 15, 2015
217
430
My excuse is my 6s doesn't exhibit that behavior. :p
I believe you, the 6S has a smaller display with 1334x750 resolution. My 6S+ has a 1920x1080 resolution, but it has to downscale some 3x retina resolution on the fly since iOS assets don't come in 1080p HD. Therefore making some animations on the 6S+ render with less frame rates than on the 6S.

As advanced as Apple can make their A9 chips, there's no way they could defy the laws of physics. More pixels to drive is always more graphically demanding, especially when the same processor used to drive less pixels is used to drive a higher resolution, more taxing display.
 

I7guy

macrumors Nehalem
Nov 30, 2013
35,158
25,268
Gotta be in it to win it
I believe you, the 6S has a smaller display with 1334x750 resolution. My 6S+ has a 1920x1080 resolution, but it has to downscale some 3x retina resolution on the fly since iOS assets don't come in 1080p HD. Therefore making some animations on the 6S+ render with less frame rates than on the 6S.

As advanced as Apple can make their A9 chips, there's no way they could defy the laws of physics. More pixels to drive is always more graphically demanding, especially when the same processor used to drive less pixels is used to drive a higher resolution, more taxing display.
You would have thought they(Apple) might have noticed that in testing and development. But I have a feeling a fix is coming in a future iOS 9 version.
 

Merkie

macrumors 68020
Oct 23, 2008
2,123
738
I believe you, the 6S has a smaller display with 1334x750 resolution. My 6S+ has a 1920x1080 resolution, but it has to downscale some 3x retina resolution on the fly since iOS assets don't come in 1080p HD. Therefore making some animations on the 6S+ render with less frame rates than on the 6S.

As advanced as Apple can make their A9 chips, there's no way they could defy the laws of physics. More pixels to drive is always more graphically demanding, especially when the same processor used to drive less pixels is used to drive a higher resolution, more taxing display.
Sound reasoning, except the A9 is so powerful it should be able to do this kind of animations in its sleep.
 
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Lexdexia

macrumors regular
Jan 15, 2015
217
430
Sound reasoning, except the A9 is so powerful it should be able to do this kind of animations in its sleep.
Agreed, I've noticed that all my apps run blazing fast and load almost instantly on the 6S+. Despite how it always lags on the app switcher and spotlight search. If hardware isn't the problem it's the software, iOS 9.1 is just horribly optimized.
 

Radon87000

macrumors 604
Nov 29, 2013
7,777
6,255
I've reported this, but it doesn't happen 'every time' here. It's random here.
How many apps have you open.It doesn't stutter for me if it's 3 or less.If I have a lot of them than the app switcher stutters every time I tap on an app to restore it
 

Isamilis

macrumors 68020
Apr 3, 2012
2,191
1,074
This the point. The device's performance is optimal when using its original OS (major version). If you upgrade, the speed will not be the same as before, even though it still "usable". I guess, Apple run thorough performance test for original OS/device (i.e. iPhone 6 = IOS 8, iPhone 5 = IOS 7) only.

While this seem unavoidable, but we should aware, the fact that new major version is faster than before is only our illusions. The point is balancing between performance versus app version compatibility versus apps' importance / criticality.

FYI, I still have functional iPad 1 with IOS 4.3 and it still smooth, same smooth as my new 6s IOS 9.

Even though some Apple fans swore it wasn't.

Going to try a fresh install now to see if its any less laggy on my iPhone 6.

Getting the iPad 1 form iOS 4.3 to iOS 5 vibe. Not as unusable but pretty damn annoying.

Useable? Yes

Does it feel like a blazing fast and modern OS on an iPhone that was just released a year ago? Nope.

Seems like iOS 9 was made for the newest iPhones/iPads which is disappointing because in the past, it took about 2 cycles before devices would seen noticeable slowness.
 

scjr

macrumors 68020
Jan 28, 2013
2,196
1,340
How many apps have you open.It doesn't stutter for me if it's 3 or less.If I have a lot of them than the app switcher stutters every time I tap on an app to restore it

I just opened 10 apps and have been going in and out of the switcher and other apps. It doesn't happen every time here. I've noticed it happen though.
 

Jessica08

macrumors 6502
Nov 2, 2015
362
110
Roll Tide
I haven't read through all the posts here, but I notice that some of my apps freeze or crash. I had to uninstall then reinstall six apps today. I cracked my screen on my new 6S so they gave me a new one. The new one is having the issues so I hope it is just software related.
 

I7guy

macrumors Nehalem
Nov 30, 2013
35,158
25,268
Gotta be in it to win it
I haven't read through all the posts here, but I notice that some of my apps freeze or crash. I had to uninstall then reinstall six apps today. I cracked my screen on my new 6S so they gave me a new one. The new one is having the issues so I hope it is just software related.
Sounds like it's app related as specifically being IOS 9 related. My 6s runs like clock-work and if there was an inherent problem with the 6s and ios 9, it would be all over the internet.
 
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