Apple 5 telecom contract machine suddenly can't send text messages.

Hello! I hope the following answers can help you:

According to your description, 1. Restart the phone and test whether the call and text message are normal.

2. If restarting cannot solve the problem, confirm that it is a mobile phone problem, and you can back up the data and restore the default settings of the mobile phone.

3. If it doesn't work, please connect the computer and update the firmware. 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!