N97 can't send text messages.

According to your question, the reasons may be as follows: 1. If the cell phone signal is abnormal, please go to the local Nokia customer service center or Nokia authorized maintenance outlets for business testing; Second, the command file or related system data of the default system of the mobile phone is chaotic. Please also go to the local Nokia customer service center or Nokia authorized service outlets for testing, and it may be necessary to reinstall the system; Third, the last message is still being sent, or the number you want to send is set incorrectly; Please recall the inspection carefully. The above is for reference only, I hope I can help you! thank you