Android 4.1 Jelly Bean Update for Samsung Galaxy S III is on Test Stages

Samsung didn't yet announce the list of devices that will be updated to Android 4.1 Jelly Bean, Sources show that Samsung is already working & testing a Jelly Bean 4.1.1 ROM for the Galaxy S3.

Samsung Galaxy S III is selling well and has reached 10 Million unit sold today. Samsung is reportedly close to finishing up the update and there's no planned date yet, but August or September are reportedly a realistic target.

Source