An object of the present invention is to reduce a time taken for updating of firmware data using unrecoverable data in an apparatus having a plurality of nonvolatile memories. The present invention is an apparatus having a plurality of nonvolatile memories, the apparatus including: an acquisition unit configured to acquire firmware updating data for updating firmware data saved in each of the plurality of nonvolatile memories; and a control unit configured to perform control so as to perform in parallel updating of the firmware data saved in a first nonvolatile memory by unrecoverable data included in the acquired firmware updating data and updating of the firmware data saved in a second nonvolatile memory by the unrecoverable data.