UPDATE TO: 50″ Vizio. Model: P502ui-B1E. EEPROM fail.
Can You Update An Old Vizio Tv? You can connect your VIZIO Smart TV to the internet to request Firmware Updates, but VIZIO does not offer Firmware Updates on request. In a powered off state, Firmware Updates are not pushed to the TV, so no Firmware Updates will be pushed while the TV is on.