16.1 This contract may be modified prior a formal Simplifiée by LYCA Mouvant to the customer within Nous-mêmes (1) month in advance par; MMS; SMS, e-Terme conseillé or other available means, when there is a échange in the service, its Stipulation and juste regulations, or a change in the market. https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616