Just wanna share how I'd fixed the USB issue dilemma... :: With the latest Kies the USB driver (v126.96.36.199) that comes with it is the culprit and we need to remove that and here's how i did it... 1. uninstall KIES and USB driver 2. Download latest KIES 3. Download USB driver (v188.8.131.52) from Samsung site (sorry can't get the link up) 4. REBOOT NOTE: pretty same idea from here: http://forum.xda-developers.com/showthread.php?t=1844400&page=2 5. when PC is up (do not connect phone yet) 6. Install KIES (Note: when almost at the end of install KIES tryin to install the new USB driver (v184.108.40.206) which we DONT want or causing the issue! BUT just ignore it... 7. Open NOTE: (Unplug your Internet) a. Start b. Control Panel c. Uninstall Program d. Locate Samsung USB driver for mobile phone Highlight it and click Uninstall (you'll see this v220.127.116.11 far right) 8. Then Install this USB version (v18.104.22.168) Get it here: Support - AT&T Cell Phones SGH-I747 | Samsung Cell Phones 9. Open a. Start b. Computer c. System Files (drive: C) d. Program files e. Double click on SAMSUNG f. Double click on Kies g. Open the USB driver folder (Delete what's in that folder) h. Replace it with (v22.214.171.124) just drag and drop! 10. Connect your phone bam! Enjoy!!! NOTE: (Now you can plug back in your internet) Hope this Help!!!