The traffic generated by using Xiaomi APP in the current month will be given the same amount of domestic traffic in the next month (the upper limit is 40G), and the given traffic cannot be carried forward (you need to upgrade the MIUI system of Xiaomi mobile phone to version 8.5.0 and above, and upgrade the Xiaomi Security Center App to version 2. 1.3 and above to enjoy the privilege of traffic return). The upgrade instructions can be viewed under the "Rice Noodle Card Assistant"-Welfare-Privilege Introduction menu of WeChat official account)