This version supports the TNT 12000WD, TNT 12000WD mAs, TNT 12000 DoseMate, and TNT 12000 DoseMate mAs and offers improved wireless communication. Please note that this version is only to be used with devices where the last digit of the Hardware Version is greater than six (6). The Hardware Version is displayed on the Connection Screen as xx-xx-xx, please verify that the last two digits shown are greater than 06 before performing this update. Updating to the wrong version of firmware will require that the unit be returned for reprogramming.