Mobile phone card capable of automatically sending short messages

Hello, first of all, thank you for your support to China Telecom.

According to your description, it should be the service of package reminder.

You can log on to China Telecom's online business hall for self-service, check my package, and then remind you to unsubscribe from the package business.

Telecom broadband speed-up is free, 4M to 8M, 12M, 8M to 20M, 20M to 50M. You can go to the nearest telecom business hall or call 10000 to speed up for free. Please visit Anhui Telecom's online business hall for details.

Wish you a happy life! I hope my answer will help you and be adopted by you!