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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

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Question marked as Top-ranking reply

Posted on Oct 3, 2017 9:22 PM

Many apps unresponsive. Phone also running extremely warm and battery draining very quickly. Turning off background app refresh makes no difference whatsoever. Hard reset has no effect. I have 78GB free.

733 replies

Jan 28, 2018 7:53 AM in response to Lawrence Finch

It must be about choice that is the point.


If there are 2 laptops for sale and one says this laptop will reduce its performance when the battery gets low and the other didn’t, I know which one I’d buy!

Do you honestly think if this was advertised next to the phone that Apple would actually sell any? I think not, and if they are pushing this on owners who have already bought phones who did not have a choice, then yes, they must be given a choice to turn it off .

What other phone manufacturer do you know that implements this sneaky backdoor behaviour?

Jan 28, 2018 4:38 PM in response to Marc007@

Some people seem to have seen improvement with battery replacement. Not me. I replaced it and have seen no improvement, even after doing a full factory reset, updating all my apps, and having a ton of memory available. I just don’t get why Apple needs to keep updating IOS (ok for maleware i get). I don’t need new emojis. I just want my phone, camera, and a few apps to work. I suspect I am in the majority. If not, I’ll shut it and move to Samsung.

Jan 28, 2018 4:47 PM in response to Marc007@

Marc007@ wrote:


It must be about choice that is the point.


If there are 2 laptops for sale and one says this laptop will reduce its performance when the battery gets low and the other didn’t, I know which one I’d buy!

There are two electric cars for sale. One runs slowly when the battery is low and the other crashes a lot. I know which one I'd buy!

Jan 28, 2018 4:50 PM in response to Marc007@

Marc007@ wrote:



If my laptop is being used on battery power, I can choose to allow the power management to reduce the CPU and other hardware performance and use it longer, or I can disable power management features and use the hardware at full performance capability up until the last few % of power remaining before I get the critical warning and it shuts down - I know the consequences, it is my choice. I would never intentionally buy anything that did not give me this sort of choice.

The problem is that iOS devices with weak batteries don't give you critical warnings - they just shut down abruptly, frequently with battery percentages of 40% or higher. They don't give you warning. If you go back to before 10.3 was released (the first version with this feature) there are constant reports and complaints in the forum about devices abruptly shutting down, usually during phone calls or video games. Those complaints have pretty much disappeared. Laptops with weak batteries have the same problem, and any other battery powered device with batteries that have developed high internal resistance. I've had laptops fail this way many times over the 20+ years I've been using them - until I got my 2 Macbooks. The oldest is from 2010. Neither has ever failed this way.

Jan 28, 2018 8:32 PM in response to mhgfhgf

How do you use your iPhone?

Use is a factor, too!

Some users work their iPhone harder than others and that can have an effect on speed/performance of any iPhone due to limited RAM and CPU resources.


Have you tried a hard reset of your iPad by holding down both the Home and sleep/wake buttons simultaneously until your iPad goes to black and restarts with Apple logo, then release the buttons?


How much free data storage space is actually left on your iPhone.

iDevices need to maintain a minimum of 3 GBs, OR greater, free data storage space.


In Settings app, General settings panel, turn OFF Background App Refresh.

Settings app, under General settings, Reset panel, at the right bottom of the list, Reset All Settings.

In Settings app (NOT from the iOS Control Panel) turn OFF Bluetooth when not using any Bluetooth devices.


Also, in general, if you want a faster IDevice, on all of my iDevices, I turn off most of the iOS motion graphics eye candy, by simply turning ON Reduce Motion in Settings app, General, Accessibilty settings.


Make sure you aren't running scads and scads of background apps in the iOS 11 Control Panel/App Switcher.

If you are, you need to quit the bulk of these background running apps by tap and hold a finger on an app window in the switcher and slide your finger upwards to quit an app. You should be able to use more than one finger to quit more than one app window simultaneously.



Also, make sure you don’t have scads and scads of active website tabs running in the web browser.

If you do, greatly reduce the amount of active website tabs your web browser.


Good Luck to You!

Jan 29, 2018 4:44 AM in response to Lawrence Finch

It's still about choice and laptops don't do that - the iphone 6 does!


Let's get real - we know that mechanical hard drives fail - it is a risk, that's why we take backups of our critical data. But with power on laptops the user can manage power features from CPU usage to suspending USB ports and just about every other battery saving feature - we have choice and almost infinite reconfigurability of the power saving features. We have no say currently on the performance-throttling situation with the iPhone.


Now, had Apple instead opted to say something like the following, do you really think we'd be having law suits, class action and thousands of complaints if they had been upfront and honest to start with?


"Hey everybody, we'd like to share something truly remarkable with you today.... (😎) We'd like to tell you that our incredibly designed iPhone hardware and software has a bug, flaw, design fault new feature. When your battery starts to get old, is not fully charged, or cannot hold a full charge any more, it may cause your phone to malfunction or crash. However, this new feature we are introducing will automatically reduce CPU / GPU performance of the phone to prevent this happening. We appreciate this is not what you want to hear and realise that your phone will start slowing down, the keyboard response will lag, apps will crash or stop working - but hey! we are giving you the choice to enable or disable this feature - so you are always in charge - and remember, we care....🙂"


Ok, maybe not so sarcastic as that, but what I bitterly dislike about this entire fiasco is that I spent months and months with these problems, with a phone that was effectively non-operational, wasting my time, troubleshooting, listening to crackpot BS theories, solutions and the 'Apple can do no wrong' worshippers blaming users on their usage habits, with no acknowledgement - nothing but silence from the people in the big apple that knew about this and did nothing to explain the deliberate throttling until just recently, culminating in an almost unheard of apology.😮


So now, lets wait for the 'fix'. If people will be given the choice to disable the feature if desired - great - if they don't like it they can always vote with their wallets and that will be their choice too. The condescending 'we know what's best for the plebs' attitude will always backfire in the end.

Jan 29, 2018 6:53 AM in response to IdrisSeabright

That is true Idris. However, I do believe the novelty is starting to wear thin now - the rapid change in charger design, adaptors, removal of ports Apple consider superfluous, lack of headphone port from iPhone from 7 on and overall creativity seems to be generally stagnating. I used to look forward to watching the keynotes - but have not for the last few years as there was nothing to interest me and more of the same old - same old. Innovation is lacking and iTunes is now an insult to one's intelligence.


I have seen so many grumblings lately from traditional Apple aficionados (musicians, artists, graphic designers and the like) on various media regarding the lack of new innovation and changes that don't make sense. I wouldn't be surprised if saturation point has been reached and there is a gradual decline across the board.


I will keep hanging on to my iPhone 6 Plus as long as feasible, on the basis that my Apple Watch is tied to it. I will be booking in for a new battery shortly to avail myself of the reduced price compensatory offer, even though mine resides on the desktop charging stand for most of the day and is still very sluggish. But, I will have to have a long hard think about what comes next. I guess that will be down to the what is on the market once Apple Watch is at end of life....

Jan 29, 2018 6:59 AM in response to IdrisSeabright

Apple has always believed that they know what users need and want better than the users themselves do. And it goes back almost to the founding of the company. My favorite example is on the original Mac - Apple held extensive focus group studies as well as contracting for ergonomic studies of the mouse as a pointing device. Both users and experts almost universally panned the idea as impractical and something that would never be accepted by users.


Then there were the experts who predicted that Apple's eliminating the diskette drive from a new line of computers would be the end of the company because no one would buy a computer without one. And again when they stopped including CD/DVD drives. And again recently when they eliminated the separate ports (USB, Thunderbolt, SD, HDMI...) on their computers.


Oh, and from the 2007 reviews the iPhone would be an epic fail that would sink the company.


It seems like Apple's demise has been greatly exaggerated time and time again.

Jan 29, 2018 7:22 AM in response to Lawrence Finch

Hmm.. here's another take on that....


"Profits have been soaring, but there's been a lull in innovation and competition has also been rising. Phones and tablets are a mature market, yet Apple still relies on them for a majority of their revenue. Their desktop industry is vanishing. Their laptop industry is holding on, although the past 2 years have been horrible for Macbooks in a wide variety of ways between the controversial keyboards, absence of ports, dated specs, high prices, cheap display on the MBA. Even their iPhone has been playing catchup for the past several years. They haven't really made any large strides forward in their products in the past 3 years".


So it depends on your point of view - "innovation complacency" is how they have been described on one recent report from ABI research.

Jan 29, 2018 8:25 AM in response to Marc007@

Marc007@ wrote:


Hmm.. here's another take on that....


"Profits have been soaring, but there's been a lull in innovation and competition has also been rising. Phones and tablets are a mature market, yet Apple still relies on them for a majority of their revenue. Their desktop industry is vanishing. Their laptop industry is holding on, although the past 2 years have been horrible for Macbooks in a wide variety of ways between the controversial keyboards, absence of ports, dated specs, high prices, cheap display on the MBA. Even their iPhone has been playing catchup for the past several years. They haven't really made any large strides forward in their products in the past 3 years".


So it depends on your point of view - "innovation complacency" is how they have been described on one recent report from ABI research.

Yeah, yeah. People have been predicting the demise of Apple for decades. You don't cite the source for that quote but, it's the usual Apple is going to fail, blah, blah, Apple isn't so great after all, blah, blah.

Jan 29, 2018 9:57 AM in response to Lawrence Finch

Lawrence Finch wrote:


Have you looked at a Macbook recently? ONE port to rule them all...


On the Book, that makes sense. A major part of its portability is size and weight. I have a six-year old MBP that I'm using now. As I'm typing this message, I'm glancing at all the connectors that I've never used but they take up space and contribute to cost. If I'm going to use something other than the latest and greatest (currently Thunderbolt/USB-C), an adapter cable is fine.


Actually, only the regular MacBook has a single port. The Air and the Pro have multiple ports but none have as many as mine and none have the variety that mine has.

Jan 30, 2018 12:15 AM in response to Philly_Phan

I agree it makes sense. In one way. Until you need to connect:

- a projector (for presentations) HDMI or VGA

- an external drive (USB)

- a thumb drive (USB)

- an ethernet cable (Ethernet)

- a memory card from your phone


Are there solutions ? Yes of course: enter dongle-land. Apple will happily sell you a dongle that has one USB port, one HDMI port and ... one USB-C. Need VGA ? Easy. Just buy another dongle. Need ethernet ? Another dongle. Need all of them together ? Just string the dongles ... Gone are the days where I would quickly load up my iPhone just by sticking the USB cable to my Macbook. Now I need to first look into my bag of dongles, fish out the right one, stick everything in ...


I ended up buying a third-party bulky dongle that has Ethernet, two USB ports, HDMI ...


The thing I hate the most ? The commiseration of my Windows-laptop toting colleagues who need nothing of the above.

Jan 30, 2018 1:15 AM in response to Lawrence Finch

While I do agree Apple designs under steve jobs were truly groundbreaking to say the least, under Tim Cook and Ivey they pail in comparison. And again there are the other sides of success like applegate, yellowgate, the mac 3, Apple maps, hindenbook not to mention the present state of Itunes etc the list can go on an on.


I agree mostly with what others have already stated, myself I’ve been buying Apple products since mid eighties and the last 5 Years have been terrible. There are blind Apple fans that will support just about anything but I’m not one of them. I’ve been very unimpressed of late and other than a new dissapointing iPad Pro 10.5 purchase I now refrain from purchasing newer products simply because I see more limits now than benefits currently.

iPhone 6 very slow with IOS 11 update

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