Abstract: An electronic device includes: a communication device configured to communicate with a server device that provides data; a storage device; and a control device that cyclically accesses the server device using the communication device to check whether or not new data has been provided from the server device, determines, based on a predetermined probability, whether to download the new data from the server device or to postpone download when the new data has been provided, and stores, in the storage device, the new data downloaded from the server device.

Abstract: A replacement support apparatus is provided for supporting replacement of a plurality of electronic apparatuses each including a plurality of device components. The replacement support apparatus is provided with: a communication circuit, a storage, a processing circuit, and an output device. The communication circuit receives, from a plurality of existing electronic apparatuses, operation information indicating operation conditions of the device components during operation of the existing electronic apparatuses. The storage stores specifications information indicating specifications of new electronic apparatuses as replacement candidates.