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iPhone 3GS won't charge from usb power adapter

26856 Views 21 Replies Latest reply: Dec 9, 2009 7:48 AM by Myerrob RSS
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VictorSMiller Calculating status...
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Jun 20, 2009 9:21 PM
I got my new iPhone 3GS yesterday. I've been able to charge it when the USB adapter is plugged directly into my PC. However, tonight, when I tried to charge it by plugging it into the USB power adapter nothing happened -- it won't charge! I checked that the USB end of the cable is snugly into the adapter (which is plugged into an outlet that has power). When I unplugged it from the power adapter and into my PC it started charging. Any clues as to what can be wrong?

Victor
Gateway DX200
  • dmiannay Level 3 Level 3 (850 points)
    Currently Being Moderated
    Jun 20, 2009 9:29 PM (in response to VictorSMiller)
    Sounds like a bad power adapter. You've done all that I would have done. Take it back to an Apple Store and they'll likely give you a new one.
    Dell XPS 720 H2C with Win 7 RC, also iMac 24 2008 running Win7 RC in BootCamp
  • dmiannay Level 3 Level 3 (850 points)
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    Jun 20, 2009 9:30 PM (in response to VictorSMiller)
    Oops, double post...

    Message was edited by: dmiannay
    Dell XPS 720 H2C with Win 7 RC, also iMac 24 2008 running Win7 RC in BootCamp
  • blaker44 Calculating status...
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    Jun 21, 2009 7:21 PM (in response to VictorSMiller)
    Had the same problem. Luckily I had the wall adapter from my original Iphone and it works fine. The little white 'cheap' looking one that came with the new 3Gs will not work on my iphone.
    pc, iPhone OS 3.0
  • Blackfish95 Calculating status...
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    Jun 21, 2009 9:38 PM (in response to VictorSMiller)
    I have the same problem. New iPhone 3GS wont charge from USB/AC adapter. However the adapter works fine with my iPod (with video gen 5.5).
    The iPhone charges from the iMac just fine... however it also does not charge when plugged into my car USB -> lighter/accessory power port adapter (That works well with all other USB powered devices)
    So it's not the Apple USB/AC adapter that's at fault.
    Any other solutions?
    iMac 24" iPhone 3GS white 16gb, Mac OS X (10.5.7)
  • Norman Harris Level 3 Level 3 (560 points)
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    Jun 21, 2009 9:48 PM (in response to VictorSMiller)
    Same problem here. I believe power adapter is defective. Taking mine to Apple store in AM. Expect replacement. Will report back here with results.
    MBP C2D 2.33, Mac OS X (10.4.8)
  • Ibangdrums Calculating status...
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    Jun 21, 2009 10:11 PM (in response to VictorSMiller)
    I had the same problem

    for some reason though, if i put the usb cable in first, then plug the adapter in the wall, and then finally put the iPhone in, it actually works.

    Maybe this will work for others too.
    Macbook, Mac OS X (10.5.7), iPod Classic, iPhone 3G S
  • lorenzovarano Calculating status...
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    Jun 22, 2009 7:12 AM (in response to Ibangdrums)
    I have the same problem. I tried my 2g charger, no problem. It's definitely the wall charger. I called Apple they are sending a replacement and I have to ship mine back prepaid by Apple.
    iPhone 3gs, iPhone OS 3.0
  • Blackfish95 Level 1 Level 1 (0 points)
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    Jun 23, 2009 7:07 PM (in response to VictorSMiller)
    I jiggled and wiggled the cable connection between the sync cable and the AC Adapter and it NOW seems to work!!
    I can only guess that the iPhone 3g(s) required a very clean connection to get power. I'll see about swapping the ac adapter.

    BTW, i tried different cables...i have 6 or so...no difference
    iMac 24", Mac OS X (10.5.7)
  • TCski Calculating status...
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    Jun 24, 2009 2:17 PM (in response to VictorSMiller)
    My wife and I both had dud 3GS usb adapter cubes - but the usb cord works fine charging from a computer or even a first generation shuffle wall charger (output rated exactly the same as the cube.)

    I took the non-working cubes to the local apple store and a genius replicated the problem. We tried four brand new out-of-the box replacement adapter cubes straight off the wall of the store - (all of them green dot 2nd gen. cubes, post Sept '08 cube debacle.) Two of the adaptors failed to show the lighting bolt indicating charging. Finally walked out with two working chargers.

    There's got to be a quality control problem with these cubes, but I googled on the topic and this is the only forum I've seen it discussed in.
  • TCski Level 1 Level 1 (0 points)
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    Jun 24, 2009 2:46 PM (in response to VictorSMiller)
    I doubt the order in which you connect the cable, the usb wall adapter, and the iphone matter.

    From http://support.apple.com/kb/HT1476
    "Connect iPhone or iPod touch to a power outlet using the included cable and a USB power adapter to charge the battery."

    If people do get an adapter to work after switching the order, it might be just a fluke that it worked. I believe there is a quality control problem with the charging cubes.
    iphone 3gs
  • Maverickster Calculating status...
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    Jun 24, 2009 3:00 PM (in response to TCski)
    FTR, same problem here. The USB power adapter that came with my 3G-S was a dud; it probably worked 2 times in 20+ attempts (cable worked fine straight into computer). Too lazy to screw around with it too much, so went out and picked up a new power adapter. No problems since.

    I'm guessing that there's something screwy with the USB power adapters they put in the box with the phone. This is an abnormally large number of identical complaints.

    --Mav
    iPhone 3G-S, iPhone OS 3.0
  • m_i_h Calculating status...
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    Jun 25, 2009 1:17 AM (in response to Maverickster)
    if i unplug the charger from wall & re-plug it in, it works every time. if i leave the charger plugged in & unplug & replug cable into the phone--nothing. i was trying to figure out if this was a "feature" (charger shuts down after iphone disconnects to save power), or just a POS design. i suspect the latter
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