Samsung Galaxy Grand Quattro is a quad-core variant to the Samsung Galaxy Grand. There are some specification changes in the Grand Quattro to the original Galaxy Grand. Samsung Galaxy Grand Quattro comes with a much smaller 4.7″ screen compared to the 5″ screen of the Galaxy Grand. And also Galaxy Grand Quattro has a 5 MP primary camera which is a downgrade to the 8 MP primary camera found in the Galaxy Grand.
Samsung Galaxy Grand Quattro is a good device in the mid-range category. There are some apps on the Google Play Store which only work after the root access to the phone is achieved. In addition, there are various benefits to rooting the phone.