iPhone connects and disconnects from Mac

Hello,


When I plug in my iPhone to my Macbook pro, it repetitively connects and disconnects. Therefore I cannot charge my phone through my computer anymore.


I own this iPhone since decembre 2018, and this issue only appeared this week. However when I plug in my iPhone to a wall outlet, it charges perfectly. I also noticed that there is a lag time before my phone starts charging when connected to my Macbook (before disconnecting right away, and then reconnecting etc).

I tried to connect my iPhone to both USB ports of my Macbook, with many different Apple lightning cables and also my Anker cable (MFI certified), but the issue substains. I plugged in my mother's iPhone 6 to my Macbook and it charged perfectly. I plugged in my iPhone to my brother's former Macbook pro (15" from 2008) and my iPhone could charge normally.


Here everything I tried to resolve this issue (which failed by the way) :

- I shut down and turned on my computer and my phone.

- I reseted location and privacy of my phone (Devices rapidly disconnect/reconnect - Macbook Air Mid 2013).

- I also restored my phone.


Could anyone tell me a solution?


I specify that I have a 256Go iPhone X under IOS 11.2.5 and a 13" retina Macbook pro (mid 2014) under High Sierra 10.13.3.


[Re-Titled by Moderator]

iPhone X, iOS 11.2.5

Posted on Feb 10, 2018 1:34 PM

Reply
Question marked as Top-ranking reply

Posted on Apr 22, 2018 6:29 PM

But I do think I solved my problem, by something similar.


On the hunch that the computer was trying to set up a network connection via the phone while the phone was trying to do something else, I went into the network settings and found that in the list of services I had an entry for "Thunderbolt Bridge." I thought it was off, because it was listed as Inactive and the configuration I could see said "Configure IPv4: Off". But to make sure it was really completely disabled I pushed the "Advanced" button to change the configuration details (after clicking the lock icon and authenticating, of course). I changed "Configure IPv6" from "Automatically" to "Manually" and saved that.


After that, connecting my phone to the laptop finally worked. I was just now able to get some pictures off my phone onto the laptop.

Similar questions

276 replies

Jan 24, 2019 9:19 PM in response to MélodyH

I have the same issue. I have an iPhoneX and a Macbook Air. Whenever I plug in my device just to charge it while I'm using my Mac, a prompt appears telling me to install an update on my iPhone X, when I click "Install" a pop up appears telling me the software is not available. Then it disconnects my iPhone and hence, no longer charging it. But with my old iPhone 5 I don't have an issue such as this one. I already messaged their tech support and provided screenshots but still no solution until now.

Feb 12, 2019 4:11 PM in response to MélodyH

I have been suffering with this issue since I got the MacBook, I chose to avoid the problem by using my windows 10 laptop but I want to use the photos app as my iPhone X 256GB is full! has anyone got an actual solution for this as the ones I've tried on here will not work. We don't have an apple shop here in New Zealand so it's difficult to get it looked at.


Thanks,


John.

Nov 6, 2019 6:17 AM in response to YashYY

Update:


The problem persists, albeit seemingly less severe. The iPhone doesn't connect and disconnect as viciously as before and after a few back and forths, it stops. But, I still have to open terminal and enter that command for it to calm down.

I should note that I tried deleting all the backups on my computer as well as deactivating Photos from automatically opening (because mentioned in previous comments as helpful).


Result:

Solution did not work. Problem persists.

Jan 17, 2020 11:20 PM in response to MélodyH

I am having same issue with iPhone XR rapidly connecting and disconnecting when I plug it via USB into my MacBook Pro (Retina, 15-inch, Mid 2015).


It is interesting to read about all of the solutions that worked, worked only once (or sometimes) or not at all.

It seems like there is not a definite solution that would work for everybody.


Someone mentioned that we pay a lot of money to Apple for their products. So true. We make them soooo rich !!!

So in return, we all deserve things to work together without the problems we're experiencing and that make us scratch our heads and waste our time trying to fix these problems.


At one of his famous keynotes, Steve Jobs said: "It Just Works".


That's what we pay for, that's what we expect and that's what you, Apple, need to get back to.


So Apple folks, please figure this problem out and give us the proper fix.


Thank you,


Bronco Hyrman

Apple User since 1994

Mar 18, 2020 11:40 AM in response to ajainEarthNetworks

Tried connecting a new iPhone 11 to a Macbook Pro (2015) and had this very frustrating problem. Using a new cable. Tried everything, but this actually worked. Not sure if I will have to do this again when I reboot, but I guess we will see.


As a relatively recent Windows transplant, while this solution works, it does have a very clunky windows-like feel to it. Honestly I thought my days of task killing were over now that I am swimming in the iOS pool. :-(

Jul 22, 2020 7:07 AM in response to rpmartins

This was fantastic advice - thank you. I'm a techno-dummy who gets visibly shaken when I'm in the Terminal. Me and code do not jive. This however was easy as pie and worked like a charm. The constant connect/disconnect with my iPhone while it was plugged into the laptop, (coupled with the annoying sound) was making me nuts, (well, more nuts than normal). Thanks again!

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 connects and disconnects from Mac

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