USCTrojan4JC
Active member
Re: Mac OS X 10.8 (Mountain Lion) does not recognize Samsung Galaxy S3
Never had Kies installed on my MacBook Pro running OS X 10.7.5. Android File Transfer 1.0.50.2266 seems to have addressed the incompatibility. I am using a stock AT&T SGS3 (SGH-I747) on JB 4.1.1.
I have also been having this problem. My MacBook Air had been recognizing my Galaxy S3 using a USB cable and Android File Transfer. After recent updates on my MBA to Mountain Lion and an update on Galaxy S3, AFT no longer recognizes my phone. Various forums encourage me to use Kies Air, DropBox, or other wireless transfer or sync methods. I tried. It's either way too slow to transfer of large amounts of music folders or it places them in the wrong location on my phone. I just want AFT to work the way that it should. I finally found the answer on one of the many forums covering this problem. It's a very simple fix. It's only one or two things that you have to do but I'll carefully list all the substeps:
1. Disable or delete Kies Air. (You can always download it again once Samsung, Google, or Apple fixes the various protocol problems)
2. Make sure that you are running the latest version of Android File Transfer. My version, which works, is 1.0.50.2266. You can find AFT here: Android.com
3. Reboot your phone.
4. Unlock your phone or unlock the screen if your phone is locked
5. Connect your phone via the USB cable. The USB PC connection protocol should be MTP, not PTP, to have your phone recognized as a media device.
6. AFT should launch automatically but you may have to launch it manually once if it has not been launched before.
7. You should now see your phone's file system in AFT's window on your Mac.
This has been reported to work for everybody that has tried this fix. My suspicion is that it is Kies Air that grabs the USB connection event and then never passes it on. This would also explain why owners of other phones that do not use Kies have not been reporting this problem.
Now that I have AFT working as it should and I have an easy way of transfering and updating my file directories on my phone, I am a happy camper. Too bad that none of Apple, Samsung, or Google ever investigated this sufficiently to post a workaround sooner.
Never had Kies installed on my MacBook Pro running OS X 10.7.5. Android File Transfer 1.0.50.2266 seems to have addressed the incompatibility. I am using a stock AT&T SGS3 (SGH-I747) on JB 4.1.1.