Demonstration model: iPhone13&; & Huawei P50 &；; & Xiaomi 12
System version: IOs15.4&; & HarmonyOS System 2 & MIUI13
APP version: China UnionPay Express 9.0.9 China UnionPay Express controlled payment refers to the controlled payment method of China UnionPay Express software, which has the function of receiving and paying. Controlled payment can make safe and convenient instant payment through bank card. When users pay in the mobile phone client and mobile phone website of UnionPay contracted merchants, the secure payment control can ensure the security of the user's bank card information.