Réponse à : « Galaxy s3 usb port not working? »i have tried all this and my samsung s3 is not charging. well i haven't tried it all just the basic stuff the dust off and the paper in it. where do you all get the external chargers that u are saying are $3? i have looked at places like walmart and can't find. i know ebay but my problem currently is i am traveling so cannot have one sent to me in enough time. any more advice?