This Recommendation aims to provide good practices for the sanitization of the information media in end-of-life ICT user devices. For this purpose, it describes the necessary procedures and practices for implementing information storage media sanitization for waste electrical and electronic equipment at end-of-life and in reconditioning, refurbishment, and recycling facilities. This Recommendation addresses end-of-life ICT user devices, implementing circular practices to return information storage media to a working condition for reuse, known as refunctionalization. This Recommendation applies to personal ICT user devices such as desktop and laptop computers, notebooks, tablets, or terminals such as smartphones, and information media such as discs, solid-state drives, and USB storage.