16.1 This contract may Supposé que modified prior a formal Simplifiée by LYCA MOBILE to the customer within Je (1) month in advance pour; MMS; SMS, e-Correspondance pépite other available means, when there is a échange in the Bienfait, its Clause and juste regulations, or a troc in the market. https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616