Vodafone Wallet is compatible with smartphones running Android Jelly Bean 4.1 and later. See the list of compatible devices.
These devices allow you to make secure contactless payments as they have Near Field Communication (NFC) functionality. You will also need an NFC / contactless SIM which, you can order here, or pop into store to pick one up.
Before installing Vodafone Wallet, make sure that you have the latest software your phone. You can check this in the ‘About’ section of your phone’s settings.