Division 3 - Structural Loading Criteria There''s nothing like having a chat with someone, that why at Ding, we want you to feel closer to your family and friends with the gift of top-up. We work hard to make it easy for you to buy send recharge to 3G prepaid wireless phones in the UK. Whether you''re topping up your own phone, or someone else''s you can get 3G credit quickly and securely with the three step payment process from Ding. So go on, buy and three top-up and give someone you care about a call.