When the mobile phone sends a short message, it prompts "Sending or saving failed". What if I can't send it? Is there anything the great god knows? It is urgent.

In this case, a short message center number should be set in the setting menu of short messages, and the center number of different regions and operators is different. You should call customer service to ask if the SMS function is normal and save it to the correct center number on your mobile phone. If the center number is set correctly and the number is working normally, you need to change the card to another mobile phone to try. If not, you need to change the card.