mobile phone is coupled to a charger or a docking station in a vehicle the override is provided to prevent the automatic shutdown or more precisely the need to reactivate the display from becoming a driver distraction other embodiments may override this automatic shutdown when certain applications for example navigation applications are executing in the exemplary embodiment this automatic shutdown functionality operates in parallel with or in the background of other ongoing operations of the device phones also have a setting for when the phone locks after the phone enters the sleep state this can be set from immediately up to 10 minutes there is also an option so that when the power button is pressed to turn off the display the phone will immediately lock applications module 162 includes one or more applications such as a banking application or payment application an email application a presentation application a telephony application a text messaging application and a game application one or more of which may require detection of a nfc compliant authentication device prior to providing access to one or more portions of its functionality as such one or more of these applications directly and or indirectly through use of capabilities of operating system 161 or through nfc interface module 163 communicate and or otherwise collaborate with nfc circuitry 170 to implement the desired nfc authentication in the exemplary embodiment nfc interface module 163.