Black spot on charger cable?

Discussion in 'iPhone Accessories' started by Stamas88, Sep 26, 2015.

  1. Stamas88 macrumors member

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    Sep 26, 2015
    #1
    As anyone experienced this? I seem to get it on every single lighting cable I ever had
     

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  2. Stamas88 thread starter macrumors member

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    Sep 26, 2015
    #2
    Not sure if this is in the correct forum but can anyone be kind enough to help out

    Thanks
     
  3. Cergman macrumors 6502a

    Cergman

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    Jan 1, 2013
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    my tesla
    #3
    Pic is too out of focus. Anyways, that doesn't seem to be an official Apple cable - does it happen to them too?
     
  4. mcmanus7 macrumors 6502a

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    Oct 30, 2008
    #4
    None of my official Apple cables or Anker brand cables show any black markings
     
  5. dictoresno macrumors 601

    dictoresno

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    NJ
    #5
    I've seen that before. My guess is it's smeared dust or dirt from constant insertion or something.
     
  6. Stamas88 thread starter macrumors member

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    Sep 26, 2015
    #6
    It's a Amazon cable, I like them for the length

    But all of them have it since the lighting debut and I only use official Apple cables or the Amazon basics one

    I feel like it's burnt or something, deff not dust

    It always happens but only on one side or the cable
     
  7. legioxi macrumors 6502a

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    Mar 2, 2013
    #7
    Happens on my official cables too. I just wipe it off, I assume it is dirt or dust build up.
     
  8. bhayes444 macrumors 6502a

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    Jul 13, 2013
    #8
    I noticed something similar on one of my official cable. In my case it looked like corrosion on one of the contacts, and the charging was a bit wonky, so that cable is now retired. Possibly that is what has happened to your cable, but maybe not.
     
  9. pojo1806 macrumors 68000

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    Feb 6, 2013
    Location:
    United Kingdom
    #9
    None of my official cables have any marks like that, does it come off if you wipe it?
     
  10. borgsauce macrumors regular

    borgsauce

    Joined:
    Dec 18, 2016
    #10
    Bought an iPhone 7 about a month ago and I noticed that on each side of lightning connector there's a black/burnt mark on the 4th pin. This was the stock charging cable that came in the box. When charging the one side seems to work fine but when I flip it to the other side it tends to disconnect intermittently. Is there any particular reason why this should happen?and what are my options, should I worry that this damage could extend to the lightning port of the iPhone as well?[​IMG][​IMG]
     
  11. blaine07 macrumors 65816

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    Nov 14, 2014
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    Oklahoma
    #11
    I have several like this. All still work fine
     
  12. borgsauce macrumors regular

    borgsauce

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    Dec 18, 2016
    #12
    But surely this can't be normal? Do you think I could get the cable replaced at Apple?
     
  13. blaine07 macrumors 65816

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    Nov 14, 2014
    Location:
    Oklahoma
    #13
    I have aftermarket cables like this too. Don't think it's linked to a particular cable. Not sure though Yeah never seemed normal to me either. I always thought maybe the gold part of contact wore off with time but
     
  14. Ramesh Suri, Jan 27, 2017
    Last edited: Jan 29, 2017

    Ramesh Suri macrumors newbie

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    Jan 27, 2017
    #14
    Yes. I have also experience it with both my original apple cable and the one I got from Amazon. It is corrosion and does not get wiped off totally. If you just lick it with your toungue and plug it in it will work.
    This is most prominent with the 8 point plug as shown. Best I did was to order a 8 contact to micro USB adapter. Its very cheap at 1-2 $ on Amazon. Just keep it plugged in and use the micro USB for charging.
    This set of two has arrived and it is working fine with the micro USB cable and the adapter. You may try it and see. A cheap change over.
     
  15. Newtons Apple macrumors P6

    Newtons Apple

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    Mar 12, 2014
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    Jacksonville, Florida
    #15
    I have seen this on a few of my Apple cables, never caused any problems. I have never had any of my cables fail.
     
  16. Channan macrumors 68030

    Channan

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    Mar 7, 2012
    Location:
    New Orleans
    #16
    Many of my cables have that. The one in my car works fine either way with my iPhone but only one way with my iPad. I use the black spot that's on one side to know which way to insert the cable into my iPad.
     
  17. SteveJobzniak, Jan 28, 2017
    Last edited: Jan 28, 2017

    SteveJobzniak macrumors 6502

    SteveJobzniak

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    Dec 24, 2015
    #17
    It is corrosion, and using that cable is like having sex while having an STD. It will spread and corrode the metal inside your phone, which is a port you cannot replace!

    Throw away the cable. Use pure alcohol and a Q-tip to clean the iPhones connector thoroughly (may not be possible to get rid of the corrosion inside the phone at this point). And buy a new cable.
     
  18. borgsauce macrumors regular

    borgsauce

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    Dec 18, 2016
    #18
    I have that too and I'm debating whether to head to an Apple store and seek replacement. Still I'm curious why this happens to some cables or phones and not others.
     
  19. Relentless Power macrumors G5

    Relentless Power

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    Jul 12, 2016
    #19
    I didn't realize how old is this thread is. But it still seems to be a concern for some. I have a large amount of Apple OEM cables and have yet to see this issue occur.
     
  20. NovemberWhiskey macrumors 68030

    NovemberWhiskey

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    May 18, 2009
  21. Ramesh Suri macrumors newbie

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    Jan 27, 2017
    #21
    I would say the black spots are coming as the plugin contacts have worn out from the surface and the black spots are because of the low voltage sparking on making and breaking contacts. I have bought an adapter from the 8 pin to a micro USB from Amazon for a mere 1.5 $. Now I have purchased the adapter, and have put it onto the phone slot and use the micro USB cable to charge when at home. I remove the adapter only when I go out. Its working fine for the last two days. Shall revert after a fortnight with my experience.
    --- Post Merged, Jan 29, 2017 ---
    The problem continues even today in 2017. Apple does not seem to have done anything till date to assuage the problem. As mentioned above in one of the replies I have bought an adapter from the 8 point to a micro USD slot and have put it on the i phone, and am using a micro usb to charge. It is working fine. This adapter is very cheap at 1.5 $ only. So no big deal if the same fails. Let me see till whine works.
     

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  22. borgsauce macrumors regular

    borgsauce

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    Dec 18, 2016
    #22
    I've had the iPhone 7 for less than a month now, I think I can rule out wear n tear in this case. If this was a year old phone or more I'd probably assume the same. I've just checked my colleagues iPhone 6 and 6s stock cables and non of them seem to have this issue. I'm just worried that this issue is a symptom of something else within the phone.
     
  23. Ralfi, Jan 29, 2017
    Last edited: Jan 29, 2017

    Ralfi macrumors 6502

    Ralfi

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    Dec 22, 2016
    Location:
    Australia
    #23
    This corrosion occurred on my iPhone 5 cable & it only worked one way because of it. The corrosion had spread across multiple pins, but I didn't notice where it originated.

    Just checked my iPhone 6s cable yesterday & it has a tiny black dot on its forth pin from the left on one side & a slightly larger/lighter mark/smear on the fourth pin from the left on the opposite side. Gave both sides a wipe with my finger....checked them today & the black dot is now smaller & the smear is barely distinguishable.

    ??
     
  24. Ramesh Suri macrumors newbie

    Joined:
    Jan 27, 2017
    #24
    Do not worry. The problem is not with the phone slot but with the wire. Try another one and you shall find that it is working. My phone is 4 years old and the problem started recently. I have changed to another wire and it is working fine. Sometimes if the plugin of the 8 contact wire is put wrongly or has been moved around while in the slot the contacts of the wire get affected and then they do not make good contact. But you SHOULD show it to the nearest apple service centre. Do not postpone.
     
  25. macduke Suspended

    macduke

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    Jun 27, 2007
    Location:
    Central U.S.
    #25
    Hate to resurrect an old thread, but came across this while searching Google. I had to have my new 10.5" iPad Pro replaced due to the Lightning Port no longer working and just noticed that the cable I was primarily using to charge it had black marks on the 4th and 5th pins (the two center ones) on both sides. This was a brand new cable—not to the iPad itself, but from an Apple TV 4 that I recently opened (got it free with DirecTV Now service in December and just now set up a second TV downstairs). I had been using it to charge devices while sitting on the couch since May, so it hasn't received a ton of use. I was about to plug it back in to get the UDID on my replacement iPad Pro so I could set up iOS 11 again and noticed the marks. I went to wipe them and wiped away from blackened, thin residue that was around the marks. A senior iOS guy who has been handling my case is doing a followup call with me tomorrow, so I'll let him know what I found.
     

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