16.1 This contract may Supposé que modified prior a formal Simplifiée by LYCA Ambulant to the customer within Je (1) month in advance via; MMS; SMS, e-mail or other available means, when there is a change in the Prestation, its Formalité and adéquat regulations, or a échange in the market. https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616