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iOS 11 on iPhone 6s - Performance.

AZ Jack said:
I'm mostly happy with the upgrade to IOS-11 on my 6S. When I first completed the install, I definitely noticed some glitchy behavior and some lagging, but I have no issue today. So I don't know if its because the phone finally settled down after all the initial indexing, etc. or perhaps the updates now to 11.0.3 helped or maybe both. I will also add that my wife has an iPhone 6 (not 6s) and she is quite frustrated with the lagging. Her biggest complaint is there seems to be a lag with the keyboard when texting. So I do wonder if the difference in hardware from the 6 to the 6S is significant. Of course my experience is purely anecdotal but worth noting. I'm going to try a clean wipe and install on her phone next to see if that helps.
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Yes, the hardware upgrade from the 6 to the 6S is very significant. The memory is doubled (along with the usual SoC speed bump).
 
As others have stated, iOS 11 works fine for a few days, then all hell breaks loose. Freezing, app crashing, screen not responsive, etc. This was occurring on 11.0.3 and 11.1 Beta 2. It's just weird how it acts right for a couple of days, and the more you use, the more unstable it becomes.
 
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I have never had better performance on my 6s than with IOS 11. My phone is noticeably faster and smoother. I can't tell you why mine and some are experiencing great performance while others are having rotten - I suspect it is the apps that are running but...
Mine is great and I'm very happy with IOS 11
 
I’m still having problems with waking my device right after it locks the device. Sometimes takes 30 seconds for it to wake and unlock my phone.
 
Smooth performance, horrible battery drain (under 5 hours of usage, 13 hours standby). Tried a clean install and setting up as new - did not help at all. I went back to iOS 10.3.3.
 
I have had a variety of issues with my 6s since downloading iOS 11.

At times it works fine and other times it is a mess. Apps will not load, phone does not respond to touch or physical buttons, apps crash, etc. When it does respond to hitting a button or deleting an app there is sometimes a delay. At times when I wake up the phone it just shows the background. No status bar indicators, time, notifications, etc.

I also had an issue with phone calls. I answer the phone and it is just silent. No case on it, volume is up, etc. I restarted the phone and it seems to have taken care of that particular issue.

I really regret downloading iOS 11. The performance has not been impressive. It has been disappointing. I have a Macbook and other iOS devices in the past and never ran into so many issues like this after I download a new version of the OS.
 
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I won’t deny there are bugs with 11.0, because there are. However, these bugs also exist on my iPhone 7 Plus. In terms of actual performance though, iOS 11 runs just fine on the 6s.

IOW, if you want to hold off upgrading, that would make sense for OS maturity reasons. However, I don’t think it makes that much sense for speed reasons because IMO the speed is fine on the 6s. Apparently there are a few performance tweaks in 11.1 beta but likely the bigger reason 11.1 will be important is to address bugs and to get the WPA2 security fix.

I wouldn’t say the same thing about the older generation 6 Plus for example though. It would appear that 1 GB RAM is becoming a significant limitation with iOS. Fortunately, the 6s has 2 GB.
 
adamr7 said:
I also had an issue with phone calls. I answer the phone and it is just silent. No case on it, volume is up, etc. I restarted the phone and it seems to have taken care of that particular issue.
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Having the same issue here.
 
It's running well for me but YMMV. Doesn't sound like you have much to lose by trying at this stage.
 
imom said:
It's running well for me but YMMV. Doesn't sound like you have much to lose by trying at this stage.
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im not an apple paid developer so i cannot download it i guess


i think my remaining option is to give it a factory restore
 
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