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ghanwani

macrumors 601
Original poster
Dec 8, 2008
4,826
6,154
A month or so ago I bought two usb-a to lightning cables from the Apple store since both the ones at home and in my car were fraying.

I now have this problem where the phone keeps connecting and disconnecting even though the cable in properly plugged in at both ends. I captured this on a screen recording here:
If you look at the battery icon it shows as if the phone is being repeatedly connected/disconnected from charging. I don’t even have to be moving the phone for this to happen. It happens even when it’s plugged in away from me and I’m sleeping.

At first I thought the cables may be defective so I took one of them to the Genius Bar but couldn’t replicate the issue while I was there.

This problem happens with different cables in the car (where usb end plugs into car directly) and at home (where usb end plugs into a charger).

I’m completely perplexed by this and not sure what to do. I’m thinking maybe I should just buy an Anker charger and cable and see if that works. Unfortunately, I left the old frayed cables at the Apple store for recycling so I can’t go back to those.

Has anyone had such a problem? Do you have any tips for finding out where the problem is?
 

jetsam

macrumors 65816
Jul 28, 2015
1,001
798
Try cleaning out the lightning port on your iPhone. A dirty lightning port is a known cause of the type of problem you’re having.
 
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ghanwani

macrumors 601
Original poster
Dec 8, 2008
4,826
6,154
Try cleaning out the lightning port on your iPhone. A dirty lightning port is a known cause of the type of problem you’re having.
Wouldn’t that have allowed the probi to be reproducible at the Genius Bar?
 

jetsam

macrumors 65816
Jul 28, 2015
1,001
798
Wouldn’t that have allowed the probi to be reproducible at the Genius Bar?
In your OP, you didn't say anything about what the Genius did to your iPhone. Do you know if they took your iPhone and carefully inspected the lightning port?

Based on your description, it seems to me that the problem has to be related to the lightning port on your iPhone. The easiest thing to do is to check the lightning port for dirt, and clean it. There are lots of "how-tos" on the web for this.

If the problem isn't a dirty port, then it's possible that the lightning port itself will need to be replaced.

Or, I'm totally wrong, and it's something else entirely. Wouldn't be the first time. ;)
 
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