Hello Tianyi UIM card cannot send and receive text messages. How to check the balance and data flow?

Hello, you need to check the mobile phone package traffic on your Tianyi mobile phone. You can log in to the Telecom Handheld Business Hall with your mobile phone and enter your personal account to check your traffic usage. You can check the usage and Remaining quantity, thank you for your attention and support for telecommunications products, and wish you a happy life! If you have any questions, please log in to the Guangdong Telecom Mobile Phone Mall Baidu Know Enterprise Platform and ask customer service questions, or search the Guangdong Telecom Mobile Phone Mall to log in to the mall to learn about the best models!