Updating of data instructions

摘要

A method and an electronic device for updating data instructions of an electronic apparatus (1) based on updating data. The method comprises acquiring updating data for updating of data instructions, meta data associated with the updating data, and at least one security mechanism associated with at least one of the updating data and the meta data. Then, it is verified by means of the security mechanism whether any of the updating data and the meta data has been unauthorizedly altered. A method and an arrangement for generating the updating data and the meta data are also disclosed.