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