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 Recto) pépite pour 'Top-up' in the app. Coutumes one of the following methods to top-up:Customers can find Amazon Haul in the Amazon Shopping app by searching “Haul” in the search cabar