This is the list of SAMSUNG T331 Galaxy Tab 4 8.0" 3G codenames. Watch our video tutorial to understand how you can find an exact model number of your SAMSUNG smartphone. It is very important for you to correctly choose the codes according to the specification provided by SAMSUNG. The firmware has to suit your Qualcomm Snapdragon 400 MSM8226 chipset and 1000.0 MB of RAM.