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?
Reply by dmiannay on Jun 20, 2009 9:29 PM
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.
Reply by Ibangdrums on Jun 21, 2009 10:11 PM
I had the same problemfor 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.
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?
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
Thank you! I tried what you suggested -- first plugging in the usb connector to the adapter, then plugging in the adapter, and last plugging in the iPhone, and it's now charging. This is quite strange.
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.
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.
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