How to Convert Airtime to fund wallet. With Rsktopup, you can convert airtime of any network to fund your wallet. The following steps below describes the simple and easy steps involved. Sign up Rsktopup and login Click on the fund wallet button on your dashboard Select a deposit mode (Either "Airtime Pin" or "Airtime Transfer") Send it to the number of the network provider, Manually transfer the airtime (For Airtime Transfer Mode) to the number Recheck Rsktopup balance after a few mins (2-5mins) Finally, Request for any transaction of your choice. The above steps are very easy to follow and can be completed within 10 mins. Continue reading to get the full explanation of each of these steps.