A non-transitory computer readable medium having computer executable instructions that cause a processing unit to perform a method, wherein the processing unit is part of a node for a multi hop communication network;
- wherein the node comprises a wireless communication interface configured to exchange data with the multi hop communication network, wherein the method comprises:
- receiving via the wireless communication interface an updated firmware;
- storing the updated firmware in the memory;
- detecting via the wireless communication interface other nodes which are in the vicinity of the node;
- and
- sending the firmware stored in the memory to one or more of the other nodes.