Samsung has come out with craziest form factors for its phones , tablets or phabltes (some say so) ,most web developers are asked to support the site in all the form factor with same design and due to a bad design (read non fluid) it becomes really tough to choose the right media query. here is the link to a simple tool http://pieroxy.net/blog/pages/css-media-queries/test-features.html which will help you in to arriving at a perfect media query for that device.
Though this is not a great solution to have device specific media query but some times in service companies you have to fix a bug :(
Though this is not a great solution to have device specific media query but some times in service companies you have to fix a bug :(