But you can send and receive messages.

If dual card is installed, card 1/ card 2 can't send SMS, probably because card 2/ card 1 has turned on the VoLTE function and there is a network conflict. I suggest you turn off the VoLTE function of Card 2/ Card 1 and try again.

I can't send a message. Maybe the message database is abnormal. You can try deleting the message and editing it again before sending it.

If you choose to directly prompt failure when sending SMS, you can press and hold the failed SMS to select more? & gt？ Check the information details ",contact the operator and feedback the error code:

If you send a paid SMS and choose "Cancel" in the prompt. After that, you can't send paid SMS or SMS to short numbers (such as four digits). Please enter and set the operation according to the following path: Enter Settings, search the permission of paid SMS, click Enter to find information, and it is suggested to set it as query.

Please confirm whether you have enabled the fixed dialing service. After starting fixed dialing, you can only send information to the contacts in the fixed dialing list, and other numbers cannot be sent. If you want to continue sending, please cancel the fixed dialing service.

If the transmission fails, the mobile phone prompts that the fixed dialing service has been started, but the actual mobile phone has not started this function. You can restart your phone and resend the SMS.

Please back up important data to restore factory settings, and then try again. If it still cannot be solved, please bring the purchase voucher to Huawei Customer Service Center for processing.