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iOS 11.4 WiFi Problems

iOS 11.4 on iPhone 6 and iPad Pro. WiFi drops on iPad and then does not reconnect until numerous attempts, turning WiFi on/off, connecting to different network, or powering iPad on/off. Phone has no problem nor do my many Windows computers nor do my SmartTVs. It’s not my router or signal strength. Is this an iPad Pro chipset problem? Also, I have WiFi Networking turned off under Privacy setting for both phone and iPad

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iPad 2, iOS 11.4

Posted on Jun 2, 2018 1:37 PM

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Posted on Jun 9, 2018 8:39 AM

Same issue here - I have the following four iOS devices in use, all running on 11.4:


iPad Air 2 128GB: Badly affected by WiFi drops and reconnect problems

iPhone 6 16GB: Occasionally affected by WiFi drops and reconnect problems

iPhone 7 128GB: Not affected

iPad Pro 256GB: Not affected


The WiFi reconnect problems occured after upgrading to iOS 11.4!


The interesting thing is, that on the first two devices, the connection drops after about 10 seconds despite having connected succesfully. This can also be seen in the log of the router. The devices usually reconnect after roughly a minute and then stay connected until you go into screen saver mode or turn off the device.


Another problem that appears on all 4 devices since upgrading to 11.x, is the fact that the devices drop their WiFi connections a few seconds after the screen lock becomes active. This means that unless you have a mobile data connection, push mails and instant messages are being received with a huge delay. I have an old iPhone 5S that still runs on iOS 10.3 and that device is not affected by any of the above mentioned WiFi issues.

203 replies

Jun 24, 2018 8:06 PM in response to del_griff

I believe this is solely IOS 11.4, I am having the same issue with my iphone 7 right after downloading the IOS 11.4 a few days ago. I have spent 7+ hours trouble shooting with apple customer care, and have tired everything by myself and with them instructing me. They are now telling me I need to buy a new phone, and they haven't had any reports on IOS 11.4 "graying out" wifi. So I am going to try and launch the "Feedback" app and report this IOS 11.4 bug issue there (according to the apple lady thats the only way to get heard, thus the more who report the IOS 11.4 bug the sooner they will start looking at themselves and fix the issue). Every device I own is working flawlessly with my wifi network besides my iphone 7 after IOS 11.4 update, therefore I know for a fact this is the issue, I don't need to buy a new phone.

Jun 25, 2018 8:59 AM in response to Philip Ingber

Dang I’m sorry to hear that, I’m also shocked they did nothing since your phone brand new! I decided I’m going to call my carrier Verizon today to see if they have a solution, or will contact apple, also see if I can get more data because Im worried about going over without any WiFi. Also I realized I can’t even launch the feedback app the apple lady told me to do to report a bug 🕷 because I have no Wifi, very frustrating.

Jun 26, 2018 9:53 PM in response to LeonYong

I did the network and all setting reset, then shut off my phone and it would work for a couple hours; until I’d have to redo the process again and again the first few days. But then that process stopped working, completely. I finally have had my iPhone 7 back to normal today since the new IOS 11.4 update. Long long story short, what fixed it for me (for 24hrs now) was by backing my phone up to my Mac, (since I didn’t have WiFi I couldn’t do it with iCloud), then restoring it to a “new phone,” then plugged it in to my Mac again and did the backup restore. And my phone is finally normal again! I’m sooo happy!! I just hope it lasts, but I’m very hopeful! :)

Jun 27, 2018 4:43 AM in response to jessdura

I found that I had to do a few things to solve the problem... honestly not sure which worked...

1) 11.4.1 b4 helped quite a bit, not perfect though

2) replaced modem (free)

3) put a new router in place. This router was still an AC1750, but did not have simultaneous bands, only 2.4 and 5


it all worked... so out of curiosity, I reversed everything and was able to recreate the problem .... I think I might know what it might be.


it is an 11.4.# issue with the 5 ghz band. When I set the old router to 2.4 only, absolutely no problem.


yesh, I know it makes no sense at all.

Jun 28, 2018 4:59 AM in response to del_griff

I downloaded 11.4 on iPad first because it came up and was verified, next day came on iPhone SE to install 11.4 so did AND IT TURN OFF MY ROUTER, so called AT&T About all the red blinking lights. They said nothing on their side was wrong and I was connected. Go figure...also iPhone has never connected since and am OUT OF DATA, NOT KNOWING BEING CHARGED $15 per 1GB!

Jun 28, 2018 7:42 AM in response to Donicles

iPhone does not connect to internet-never has since installing 11.4. I pay unlimited talk and text on iPhone. Am I able to text on iPad or iPhone without using data and being charged? Need to know this holiday weekend and for emergencie. I have done lots of things and cannot get connected On iPhone and messaging doesn’t work on iPad. We should be reimbursed for paying and not getting.

Jun 30, 2018 12:11 PM in response to del_griff

I have an iPad Pro 10.5” running iOS 11.4 and an iPad Pro 9.7” running iOS 11.2.5. I also have an Apple TV 4 (not 4K) and a MacBook Pro Air from 2012 or 2013. Guess what? My iPad Pro 10.5” running iOS 11.4 is the only Apple product in our house that has this problem. My iPad Pro 9.7” has not been backed up in 17 weeks! I have not yet upgraded it to iOS 11.4 and it works like a charm!


Just before I started to have the problems I have with 11.4 and Safari (which began not long after I upgraded to iOS 11.4), I was going to trade in my iPad Pro 9.7” because, with my new iPad Pro 10.5”, I no longer needed it.


Boy, was I glad I didn’t!


Since upgrading my iPad Pro 10.5” to iOS 11, Safari hangs at the “white screen” it displays when the App boots up. It stays like this for a few seconds, hanging. Then - without warning - goes back to the home screen, without ever having loaded Safari! I have contacted Support regarding this problem 5-6 times! Unbelievable...I have taken it to two different local Apple stores, as well. After each “fix”, the problem eventually *returns*. I have been told to “reset my router”, I have been walked through [with Apple Care taking over control of my screen] a reset to factory settings and then restored from iCloud and then synced with my MacBook, etc. One of the times I took the 10.5” iPad Pro to the Apple Store, I even had it set up as a “new machine.” Which, in itself caused even more headaches - because, I *still* managed to lose a lot of my passwords. I even called our cable company, which supplies our internet. Coincidentally, after checking the line, the cable guy found that squirrels had been gnawing on it! This is a problem we have had before but it still didn’t explain why none of my other Apple products were having problems with accessing Safari/Internet - *only* my iPad Pro 10.5”.


When I was at each of the two Apple Stores I visited, my iPad was able to connect to the store‘s Wi-Fi with Safari. Two things I did, just by dumb luck which seemed to be a temporary solution to the problem, were turning the 10.5” machine off for several hours one day. I believe, it was off for at *least* two or three hours. Another ”fix” that worked for a while, happened completely by accident: I asked Siri to look something up, and touched one of the links to search results that appeared on the screen. I don’t understand it, either. But, it worked for awhile...


Going to “Settings“ and changing to my cable internet’s unsecured basic “guest” network was a quick fix - but I definitely wouldn’t recommend it.


Both Apple stores ran a diagnostic program on it, and determined that the problem wasn’t the machine. It was the software. One of the times I called Apple Care, I was told that the problem was caused by saving bookmarks in other Apps (like Twitter and News) to Safari. I was told that the Safari was hanging and failing to start because I had over 12,000 bookmarks. I know, I am an idiot. Even so, Isn‘t the ability to do such a thing one of the *features* of iOS 11.4 anyway?? If so, how am *I* responsible? When I asked whether deleting all of my bookmarks might help, I was told that it wouldn’t. Apple Care said I might have a corrupt file somewhere on my MacBook, so I should never restore from a backup on the computer only from iCloud.


In the end, Apple Care advised me to *never* save bookmarks from other Apps to Safari. Whaaaa-??? This reminds me of that old joke about a guy who tells his doctor it hurts when he moves his elbow. His doctor says, “Don’t do that.”


*That‘s* the solution Apple Care came up with??


My solution is to use a browser other than Safari. When I told this to the Apple Care person who helped me when they called a couple of days later, they sounded disappointed. So am I - in Apple.


Mostly, I have been venting here. Considering that I have been an Apple user since 2007, I have *never* had the kind of problems I have had with my iPad Pro 10.5” with any other Apple products. In the last 3 or 4 months, I have called Apple Care more times for this 11.4 iOS Safari problem on my new iPad Pro, than I have called them during the entire lifetime of other Apple products that I own.


I loved Apple because their products had been worry free for me. They were more reliable, without a lot of headache, so that’s what made them worth the extra expense.


Step up your game, Apple.


It it breaks my heart to say this, Apple, but unless there are some top secret plans to clone Steve Jobs - I’ve bought my last Apple product.




Jun 30, 2018 1:25 PM in response to del_griff

I have the same issue. I have tried all tips attempting to find a final solution to my Wi-Fi issue but unfortunately, nothing has worked so far. I connect with my home WiFi and it stays connected for few seconds, then disconnects without any warning. Also at work, in different WiFi connection and relatively stronger signal, same issues. The iOS 11.4 has a bug and it needs to be fixed. I’ve heard that iOS 12 beta version has same issues. It is annoying because you think you are on Wi-Fi and actually you are not. Besides, it costly and not productive. APPLE, any luck???

iOS 11.4 WiFi Problems

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