inputs.text: breathe new life gps save cellular data - replacehement breathed new life magellan maestro 3250 run battery hours need cheaper buying new gps yes use cellphone get pin new developmentsstreets gps get close pin limited dataplan cannot mobiledata whole time navigating cellphonegranted enable airplane mode still navigation ability however detour routerecalculation required mobiledata tehemporarily enabled purpose honest opinion not allow focus task driving consider safety hazard sometimes not convenient pull take care button pushing tell certainty places especially nynjdc pullover quite reenter trafficthe installation process simple depending gps little patience goes long way think feeling accomplishment done