Mobile card mobile phone failed to send SMS, how to solve it?

See if your mobile phone is turned off.

Look at the settings of SMS. When the network is busy, it may not be successful.

Call 10086 for manual service.

When the SMS is closed, users can go to the online business hall or the business hall of the handheld business hall to find the SMS and open it.

Signal problem, call 10086 for manual service.

Mobile phone setting problem, SMS setting network selection: automatic selection &; Only GPRS network &; Only applicable to GMS network. If GPRS network is selected, you will not be able to send short messages.

Short message center number problem: the user's short message center number is wrong. The number of SMS center is +86 138002 10500. Check whether it is wrong and correct it.