Why can't Redmi 1s Telecom send telegrams and read short messages? What software can I download?

Hello! I hope the following answers can help you:

According to your description, the telecom version of Redmi 1s has no built-in call broadcasting function, so it needs the support of third-party software. I hope my answer can help you. For details, please consult Anhui Telecom's online business hall.

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