Software updating device, in-vehicle terminal, and software updating system

Abstract

A software updating device includes a controller and a storage device. The software updating device uses software update data of a vehicle for updating the software. The storage device stores a common package including at least the update data, and an identification package including common package identification information assigned to the common package and vehicle identification information that is associated with the common package identification information and that identifies the vehicle. The controller transmits, to a target vehicle subject to software update, the identification package including the vehicle identification information associated with the target vehicle, and transmits, to the target vehicle in accordance with a request from the target vehicle, the common package to which is assigned the common package identification information included in the identification package.