iPhone keeps disconnecting from WiFi

It seems that my 6S running iOS 11 will frequently disconnect from my home WiFi. When I go into the first settings page to see what's up, it will show that no WiFi is connected I then have to go into the next page to see the list of Networks and then have to choose my home network. Eventually, when the phone is sleeping, it will disconnect from WiFi. Anyone have any ideas?


Thanks in advance.

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iPhone 6s, iOS 11

Posted on Sep 25, 2017 6:54 AM

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Posted on Oct 4, 2017 11:46 AM

You've probably tried this but if you haven't go into the WiFi settings and find your connected router. Tap on the littie i next to the router's name. First make sure that Auto-Join is turned on. If it is make sure that configure IP and DNS are set to Auto, unless you use a static IP and DNS. After checking all that, I would then tap on Forget This Network at the top of the page. I would then restart the phone and at the same time, reboot the wireless router. Once both are fully rebooted, go back into the Settings>Wi-Fi and tap on your router. You will need to reenter your router password and then join. Again, after you have rejoined that you tap on the little i again and make sure Auto-Join is turned on and configure IP and DNS are set to auto.


If all else fails, you may need to see if your router has a firmware update available.

56 replies

Dec 17, 2017 11:05 AM in response to Gator5000e

My phone is doing the same thing! I have turned off the WiFi, released it, reset the phone, turned off Bluetooth, etc. and it keeps dropping. My OS is 11.2.1 and it is an iPhone 6. All the other devices in the house are fine, laptops, iPad, printer etc.

I believe it is something with one of the latest updated. This had never happened before. I also tried turn off a VPN connection but that did not help either. I have taken to turn off my cell service in the house and letting it drop, ugg! It does ask for the password but then connnects anyway. Crazy 😜. I can conclude that it is not the network, or provider but something with the IPhone/OS combination. I have an old 4 iphone and it stays on the network with no issues. Help!

Jan 31, 2018 12:57 AM in response to Gator5000e

Let me tell you.
I am an IT guy, managing network and wireless at my company. I've been receiving tons of complaint about this. And I spent a lot of time to research this problem. I can say this is a feature of IOS. I'm not trolling.
This feature supposed to help save battery. It seems good.

BUT THE MOST ANNOYING THING IS THAT APPLE DOESN'T LET USER CHOOSE USE OR NOT USE THAT FEATURES. AND I CAN MAKE SURE ANDROID DOES.


I like everything of IOS but this feature.

Apple, please add just one button to turn on/off this feature. I don't think it's so difficult to you.

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iPhone keeps disconnecting from WiFi

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