in official documentation) delivered significant refinements for the then-new 2012 Smart TV lineup:
You can find the official instruction manual for this firmware on sites like Scribd . The process follows these general steps: Samsung TV Firmware Upgrade Guide 2012 | PDF - Scribd Download 2012 Firmware Upgrade Instruction MX9FAUSC pdf
While 2012 firmware updates primarily focused on stability, the (often appearing as T-MX9HAUSC the (often appearing as T-MX9HAUSC