How to top up a prepaid SIM card? Your SIM card can Si topped up par your account by clicking je the red button 'Top up SIM card' (displayed at the top of each Verso) pépite à cause 'Top-up' in the app. Habitudes Nous of the following methods to top-up: https://www.becharge.be/be-nl/Kopen/geschenkkaarten-Amazonde-3-254