Suica is a rechargeable IC card used for transportation and payments in Japan. You can add Suica to your smartphone wallet to make travel and shopping more convenient. Below is a step-by-step guide on how to add a Suica card to your phone wallet. Step 1: Check Device Compatibility Before adding a Suica card to your phone, ensure that your device supports Suica in a mobile wallet. For iPhone Users: Must have an iPhone 8 or later running iOS 13 or later. Apple Watch Series 3 or later also support