For Odin to recognise your phone you need a number of things to be correct: 1.Is phone in USB debugging mode? Go into Settings >Developer options 2. Are usb drivers on computer correctly installed and working?

Check in computer System >Device Manager with phone connected for any errors. Use original or original quality usb lead. Connect directly to USB port not through a usb hub. Try another usb port. Make sure Kies is not running.

If you think that the stock ROM on your Samsung Galaxy S3 is faulty or you want to flash back to a previous version, then you can flash stock ROM via ODIN on Samsung. I have the ATT Galaxy S3 i747 Android 4. Ballance Level 13 Software. 1.2 and Odin doesn't recognize my phone in download mode. I have USB debugging on, I've downloaded and.

Put phone in download mode - not Recovery mode. Finally, to install a custom rom is usually by using CWMRecovery and not Odin. Windows Bitmap Driver Volumeid- Download Activated Version.