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