iOS 11 incredibly slow on iPhone 7 Plus

I just gave iOS 11 one last chance today (clean install), but it's still the same:

- No Sound

- No Vibrate function

- Unbearable lag when selecting something on the screen.

So, again, I'm back on 10.3.3 and will keep running this until an update is released.

I did have it replaced a couple of weeks ago, and do believe there's a link. I only elected a third party replacement because it was two days before I left for vacation and needed it done quickly. That, and I wanted to save a little money because I knew I was buying the X in a month. Can you view your screen without issue in portrait orientation with polarized sunglasses on? If not, it's definitely not OEM.

Hmm, did Apple forget about some series of hardware when making iOS 11?

My iPhone 7 (128 GB) - (not plus) is model A1778

Can you guys check your model?

The A1778 has an Intel modem om the iPhone 7, which is the same modem used in the A1784 model in the 7+

Also, what size memory do you guys have? It's seems like a lot is having a 128 GB phone.

As I read the thread you're linking to, it's not the same issue. It could of course be related, but the problems with the iPhone 7/7+ is slow screen/phone (not unusable as in the case of the 6/6s thread), no vibration, no sound and not able to make calls due to lack of sound and microphone.

That's why I wanted to see, if the problem could be related to the model of the 7/7+ (perhaps the Intel modem).

thanks for the u/d. i do OS's for a living and i am very accustomed to issues with replacement parts not being compatible with the OS. i have seen mother board replacements on DELL and AIX machines have similar issues. even though the replacement part is supposed to be manufactured to OEM specs, its still not EXACTLY, maybe on the molecular level ;-) to the OEM part. so while i was always on board with the firmware incompatibility with some element if the Apple HW i never thought it would be the display. shows how little i understand Apple Architecture. i just never thought it could be the display but QED many people are finding screen replacement helps. My device is all apple OEM. but, i don't think apple gets all of its parts from the same supplier which is a common practice. well i'm happy to hear Apple has at least acknowledged the issue. and yes, there will be an apple fix - eventually. "It just works" - mostly ;-)

wait until Apple fixes ios11 for the iPhone 8, 8+ and "X". they are only concerned with the new stuff not fixing earlier already sold models. cynical i know but they [apple] do have to keep the stock prices high so TIM can keep his job.

personally i'm not trying ios11 again until the release notes specifically tell me our issues are addressed. i'm concerned apple may not be signing 10.3.3 any more [ don't know for sure] and roll back would not be possible.

some 7+ owners have had great success, some like us have a miserable experience. since apple ,like many large OEMs do, get HW from multiple sources it is possible there os something off-spec about certain iphone7's. the serial number is thinly way to check not the model number.

i believe apple will fix the issue. releasing three new models and IOS 11 is quite a monumental endeavor. 😕

My phone is almost unusable - slow sluggish ... clicking camera, messenger, mail takes anywhere from 10-30 seconds to open... but the worst is the gyro freezes, I will open an app and it will freeze in the wrong orientation then I have to either use it in the wrong orientation or close the app, wait another 10-30 seconds and hope the app open In the right orientation this time ... or sometimes in messenger it opens in both orientations ... like the screen is split, my contacts are vertical and my text box is horizontal ....

Plus the typing is terrible ... I’ll be typing and all of a Sudden it freezes.. but I can keep typing and then suppening all the letters just back fill ... the freeze again and I keep typing the line 5 seconds later the text will back fill again ....

This is aweful ... this phone is almost worthless at this point ... Apple should be ashamed

More people with the same problem - and some one who somehow fixed it (I don't really understand how):

https://www.applevis.com/forum/ios-ios-app-discussion/no-sound-voiceover-after-u pdating-ios-11

Have you had a third party screen replacement by chance?

Yes, contacting Apple one way or another is paramount.

Mine is the 128Gb 7 Plus but the problem exists on other models including 6, 6 Plus and SE. See here Re: iOS 11 touch screen issues 6S

I hope that you go to the Apple Store for the purpose of getting YOUR phone fixed, NOT to debate how many phones have the problem.

Did you have a screen replacement (3rd party maybe)?

It's sounds like this is the fix we asked for!