If you want a higher mobile data limit, you can activate the MEGASURF discount bundle (1 GB for € 5). To activate the bundle, text MEGASURF to 1984. You pay for this additional discount bundle using your calling credit. The amount will be directly deducted from your calling credit. This means that you can only purchase the bundle when you have sufficient calling credit. You will receive a text message alert when your discount bundle is almost or completely used. If your bundle has been completely used, you can continue to surf at the normal standard rates. The additional mobile data in this discount bundle is valid in Belgium and throughout the EU.