1. A configuration method implemented by an electronic entity including a first memory section and a second memory section, wherein at least one set of prerecorded data comprising at least one of a preconfigured file and a directory tree is stored in said second memory section, said method comprising: receiving at least one write command for writing to the first memory section; and in response to said at least one write command: selecting, based on said at least one write command, the at least one set of prerecorded data comprising at least one of the preconfigured file and the directory tree stored in said second memory section; obtaining configuration data based on the selected set of prerecorded data comprising at least one of the preconfigured file and the directory tree, said configuration data including pre-issuance data and issuance data comprising personal user data; and writing said configuration data to the first memory section.