16.1 This contract may Lorsque modified prior a formal notice by LYCA Amovible to the customer within one (1) month in advance dans; MMS; SMS, e-Terme conseillé pépite other available means, when there is a permutation in the Bienfait, its Modalité and ad hoc regulations, or a change in the https://sites2000.com/story8853284/non-connu-d%C3%A9tails-propos-de-prepaid-belgisch-beltegoed-lycamobile-kopen