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S2 only charging OK from USB

Discussion in 'Android Lounge' started by rvorvo, Jul 31, 2013.

  1. rvorvo

    rvorvo Newbie
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    I have Samsung Galaxy S2 phone.
    Model SGH-T989D
    Android verion 2.3.5

    It started 3 days ago.
    From wall jacket charging is random. Up and down.
    Charging - not charging.
    From PC USB port - charging is stable.

    What might be the problem?

    Thanks,
    Rob
     

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  2. funkylogik

    funkylogik share the love peeps ;)
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    The wall charger or its cable is probably faulty man. Try another one :thumbup:
     
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  3. rvorvo

    rvorvo Newbie
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    wall jackets are fine.
    The same problem is in different places - my office desk, my friend office desk, home, office kitchen.
    All wall jacks cannot suddenly break in one day :)
     
  4. Harry2

    Harry2 Android Expert
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    Funky has meant the phone's wall charger, this one which came with the phone :)

    Harry
     
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  5. funkylogik

    funkylogik share the love peeps ;)
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    Yeah sorry i meant the actual charger unit :beer:
     
  6. rvorvo

    rvorvo Newbie
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    Don't think so.
    I tried 2 of them plus car charger. It's the same problem everywhere except PC USB. Looks like with a lower voltage it works fine but when voltage is a bit higher (wall jacket), it has problems charging.
    I wonder if it's a battery.
     
  7. apple2005

    apple2005 Android Enthusiast
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    Use a different cable. The charger may be okay but the cable may be faulty.
     
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  8. Harry2

    Harry2 Android Expert
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    For to charge with lower amperage the phone doesn't need the data lines of the cable.
    For to charge with higher amperage the phone need the data lines of the cable for to "see" Samsung's coding on the charger.
    So you'd try another cable as Funky said already :)

    Harry
     
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  9. rvorvo

    rvorvo Newbie
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    I use the same cable for PC USB port.
    It works just fine.
     
  10. Harry2

    Harry2 Android Expert
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    PC USB port charges with lower amperage, so look what I wrote above :)

    Harry
     
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  11. funkylogik

    funkylogik share the love peeps ;)
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    Yeah as harry says, a data cable will charge slower than a charge only one :thumbup:
     
  12. rvorvo

    rvorvo Newbie
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    Thanks Harry2.
    You seem to be the most knowledgeable guy here.
    Thanks a lot. I will try another cable but I doubt all my three cables suddenly became faulty in one day.
     
  13. Harry2

    Harry2 Android Expert
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    That's true ... sorry that I'd not help.

    Harry
     
  14. divinebovine

    divinebovine Android Expert
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    I've had exactly that happen. Seems to be a pattern for me...the most improbable fault is my problem, and not believing it, I troubleshoot everything else, then after an infuriating eternity spent dealing with it I find out it was indeed that all of my cables failed the same day, or the oil pressure really WAS doing what the gauge showed that I thought was impossible, or it was my brake pads all along...
     
  15. rvorvo

    rvorvo Newbie
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    I tried another Samsung charger from my friend and it's still the same problem.
    Looks like it refuses to charge from any wall socket.
     
  16. Harry2

    Harry2 Android Expert
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    So the phone's microUSB socket could be the problem, same issue as I thought of the cable: one or both data pins aren't able to "see" the charger's data pins.
    Have a close look at the phone's microUSB pins for dirt or fluff or bend pins.

    Harry
     
  17. rvorvo

    rvorvo Newbie
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    I think you are right.
    But it's hard to see anything inside of microUSB port.
    It is very tiny.
    I don't know how i can clean it.
     
  18. rvorvo

    rvorvo Newbie
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    By the way, I am using Blackberry wall chargers.
     
  19. Harry2

    Harry2 Android Expert
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    Try a needle and that canned air (for cleaning key boards) :)

    Harry
     
  20. Harry2

    Harry2 Android Expert
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    Doesn't matter, as far as I know, BB uses a similar coding of the data lines ...

    ... others too, FYI
    Wikipedia: Jumpered data pins on USB chargers

    ... and S2s charge fine and fast with my HTC wall charger :)

    Harry
     
  21. rvorvo

    rvorvo Newbie
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    I wonder how much would Telus (my company) charge me for replacing the microUSB port.
     
  22. rvorvo

    rvorvo Newbie
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    Bingo. When I connect to PC USB, it says on PC that device has not been recognized.
    It is definetly problem with data pins inside microUSP port.
    And on the phone I don't get "USB Connected" notification (which I always was getting before).
     
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