Telecom short messages can't be sent and received.

Hello. I'm happy to answer your question. According to the information you provided. I suggest you

1. Call the telecom customer service phone to check whether your telecom card is locked.

2. Go to the telecom business hall and ask the staff to test and debug you.

I hope the above information can help you. Thank you.

If you need to purchase a machine and check the phone bill, please go to the online business hall of Anhui Telecom. The whole network 100 mobile phone is cheap.

I hope my answer can be adopted by you.