The invention concerns a device to load commands from at least one server to at least one integrated circuit card, the said card including a first command execution program and a first memory. The invention is characterised in that firstly, the said server includes: means to load in the card at least one command sequence block, specific to a service means to back up at least one sequence block in the first memory, update means capable of modifying, erasing, adding, in the first memory at least one sequence block, and, secondly, the card includes: means to search for a sequence block capable of searching for a sequence block specific to a service, after executing a command in a block. The invention applies, in particular, to the field of mobile telephony.