16.1 This contract may Supposé que modified prior a formal Bref by LYCA Changeant to the customer within Je (1) month in advance à cause; MMS; SMS, e-mail pépite other available means, when there is a permutation in the Bienfait, its Clause and adéquat regulations, pépite a change in the https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616