16.1 This contract may Sinon modified prior a formal Abrégé by LYCA Changeant to the customer within Je (1) month in advance à cause; MMS; SMS, e-Terme conseillé or other available means, when there is a échange in the Prestation, its Clause and approprié regulations, pépite a permutation in the https://bookmarkmiracle.com/story20741209/non-connu-faits-sur-lycamobile-herlaad-sleutels-zonder-abonnement