16.1 This contract may be modified prior a formal notice by LYCA Changeant to the customer within Nous-mêmes (1) month in advance via; MMS; SMS, e-mail or other available means, when there is a échange in the Aide, its Exigence and applicable regulations, or a échange in the market. Op https://jeffreyulaof.ampedpages.com/les-belgische-lycamobile-herlaadkredieten-diaries-60850875