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Wolfpup

macrumors 68030
Original poster
Sep 7, 2006
2,929
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Tried posting on Apple.com and for some reason it's not letting me. This site's probably more useful anyway though :-D

So far I've had 100% of lightning connector devices fail (never had an issue with the dock connector nor USB).

I bought a Smart Battery Case with my iPhone 6s last year, hoping that by having the phone permanently plugged in to the case, it would protect the lightning connection...

Off and on I've had issues with it, but they've been solved by rebooting and connecting/disconnecting the case and phone until they both work.

Well, it's getting worse now, and the physical connector in the case is turning partially green (despite being physically connected to the phone 100% of the time).

Wondering if there's a way to clean it safely or fix it period. Right now my case charges fine if it's plugged in to power by itself (with the phone removed), but the phone's connection-seeing the case, connecting cleanly to my PC, charging from the case, is all hit and miss, even after multiple reboots and re-connections.

I've tried cleaning lightning connectors in the past, and while I've gotten them to physically look okay, they NEVER work again. (Had many cables fail in the past too as far as that goes.)

Really wish Apple would switch to USB...

Not the greatest picture of it, but you can sort of see what the physical connector looks like. (Which may or may not even have anything to do with the issue.

File_003 - Copy.jpeg
 
Blow out with one of those air cans used for keyboards etc.
And if Apple switched to USB it would be USB-C which physically looks just the same
 
I would start with 90% or higher Isopropyl alcohol. However to remove corrosion something like lemon juice or vinegar works best.
 
Yep, @dreadnort is right - pencil eraser - the white stick ones that go into the dedicated pencil eraser holders work best for that. Sometimes a T-Shirt pinch and wipe works as well. I usually ignore it tho and haven't had a problem with one of my cables looking like that for over a year now.
 
Is it safe to use lightning cable with oxidization?

I wouldn’t. Eventually the oxidation affects the connection. I would say it also depends on the severity of how oxidized the charging cable is, but I would just replace the cable if it was my choice.
 
Yes, cause it never comes in contact with anything. Lightning connector is still in the box.
I guess you can say it can help avoid it--and that's assuming the device someone has supports wireless charging--but doesn't seem that it would do much of anything in terms of dealing with it when you have it, as the questions and discussions in this thread have been.
 
I wouldn’t. Eventually the oxidation affects the connection. I would say it also depends on the severity of how oxidized the charging cable is, but I would just replace the cable if it was my choice.
It is like this
 

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