How to top up a prepaid SIM card? Your SIM card can Quand topped up à cause your account by clicking nous-mêmes the red button 'Top up SIM card' (displayed at the top of each page) or via 'Top-up' in the app. Coutumes Je of the following methods to top-up:Cookies slaan standaard apparaatinformatie op of hebben toegang tot deze informatie, zoals e