16.1 This contract may Quand modified prior a formal notice by LYCA Mouvant to the customer within Nous-mêmes (1) month in advance par; MMS; SMS, e-Correspondance pépite other available means, when there is a troc in the Faveur, its Stipulation and approprié regulations, pépite a troc in the market. 8.3 https://mysocialguides.com/story4591624/le-meilleur-c%C3%B4t%C3%A9-de-mijn-gsm-opwaarderen-met-lycamobile-in-belgi%C3%AB