iPhone 6 very slow with IOS 11 update

After receiving IOS 11.01.1 on my MGCT2LL/A1522 (iPhone 6), my phone is super slow. Apps hang, then close (like the Starbucks app), my purchased music would just stop in the middle of a song, then I had to close the app and re-open.

In general, everything is very slow to respond, and I have rebooted twice.


Any suggestions

Posted on Oct 1, 2017 5:02 PM

Reply
Question marked as Top-ranking reply

Posted on Oct 11, 2017 9:03 AM

HERE'S THE FIX: Go into Settings> General> Reset> Reset All Settings (this will reset iOS settings, won't touch your apps)


WHAT THIS DOES: This will *not* erase your phone, but will reset most of the things you can adjust in settings on iOS (you'll need to re-enter you wifi, adjust notifications and privacy settings again, reset your default account for Calendar and Notes, etc, but all your email accounts and iCloud account will still be logged in and all working).


FIXES THIS ISSUE: I had the same issue: iPhone 6S. Upgraded. Even with 25GB free, I'd press a button and often have to wait 1-3 seconds for a response, or copy and paste selectors would be really slow to appear, even the keyboard was unresponsive... phone was barely unusable, literally. I think most people don't get it because most who updated to iOS 11 noticed it being a little slower but not 90% slower. Those like us need to take this step.


BACKGROUND: When I was scouring I found that erasing your phone and restoring from backup worked for people on Reddit, and that should be reliable. I was in the process of doing that myself and accidentally chose "reset all settings" instead of "erase all content and settings". My phone rebooted and all my apps are fine, just needed to go through iOS settings and readjust things.


ALTERNATIVES: This is obviously better than either (a) downgrading to iOS 10 or (b) making sure your phone (as it is now on iOS11) is backed up to iCloud, erasing it, and restoring from that backup.


The difference in speed is shocking.


Pretty sure this will work for you too.

733 replies

Dec 28, 2017 2:28 PM in response to Philly_Phan

Ciao. Seems the grass is much greener on the other side. Apple is years behind in their phone handset advancements bringing no new innovation and for a premium cost. Sorry a talking poo emoji doesn't cut it for me. As an iphone proponent for years, I watch the iphone X launch like and sat their dumbfounded that they had nothing new to offer that wasn't already on the market.... a sad demise for apple over the next 5years it will be.

Dec 29, 2017 6:06 AM in response to Marc007@

Despite what some have said here, the following extract from Apple's apology would indicate that they do listen to and read feedback from users (whether here on this forum or from official feedback channels). Regardless, these issues are picked up by the wider press.


I think it is a testament to the users who have made their opinions known and raised these performance issues that Apple are now going to reduce the cost of the battery replacements from the iPhone 6 phone and up - so perseverance has resulted in a partial result.🙂

Jan 8, 2018 8:04 PM in response to adrian267

Me to. Just install 11.2.1. I was forced to update from a perfectly good working fast iPhone 6 on IOS 10x to protect myself from this new “meltdown” cpu issue. What a freakin disaster. EVEYTHING is like molasses. Takes forever to do anything. Did the update via hardware thru iTunes in MBP and still slowed phone to almost useless. No wifi courption possible so must be Apple slowing this phone 6 on purpose.


Apple your gonna pay for this !

Jan 13, 2018 4:14 PM in response to visberry

To say this problem is “solved” blatantly ignores the facts. Ever since updating to IOS 11 (currently on 11.2.2) I’ve experienced extremely slow speeds on everything from text messaging to safari to Siri. Apps close repeatedly, Siri takes more than 3 seconds to respond, and some sights and apps are completely unusable. My battery life and performance was great beforehand, and now my phone feels like a paperweight. Using my iPad mini from 2014 feels like light speed compared to the iPhone 6. Please help, don’t just call it solved.

Jan 13, 2018 5:34 PM in response to HiteshMM

Look, I don't want to pay this company 29 dollars, I don't want to give them even a dollar. I never asked for this nonsense, I was never given the choice to opt out, Apple did not bother telling me what, apart from "bug fixes", "stability improvement" and the usual mantra, I was downloading (the company no longer bothers even telling me how many MBs or GBs a download will be). I cannot understand how anyone can be an apologist for this sort of behavior.

Jan 13, 2018 5:38 PM in response to El Paso Steve

Btw. if I sell you something at an agreed price, and then lower the value of your purchased product, this is nothing short of theft. If I offer you a partial remedy of this (no guarantees for you, though) if you shed additional bug, I am only adding offense to the injury. I used to love Apple for its innovation and design. Now I hate it and wish and hope maliciously that France and other EU countries will sanction it into bankruptcy. Thieves should not prosper.

Jan 14, 2018 9:37 AM in response to IdrisSeabright

You go to bed and turn off your phone at about 43% battery remaining, leaving it on the table. The heating is off overnight and so room temp drops to between 12 and 14 'C in winter. You wake up and go to switch your phone on, but it shows the charge symbol. You then keep the phone in your pocket for 20 minutes or place on a warm surface for 10 minutes (radiator), it then not only switches on but shows 41% battery remaining. This never happened until iOS 10 installed!!

Jan 14, 2018 7:02 PM in response to Forgotten Rebel

Your postings are being removed because they do not conform to the Apple Support Communities User Terms of Use Agreement WE ALL here agree to when we sign up here to participate in the forum Communities.

The Terms of Use Agreement is only one-page long and is a fairly quick read.


https://discussions.apple.com/docs/DOC-5952

As a long as you insist on NOT complying/conforming your post replies to this agreement, your postings will continue to be censored/deleted by the Apple’s ASC staff moderators.

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

iPhone 6 very slow with IOS 11 update

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.