What is the M-Zone 20 SMS package?

Hello, 20 yuan SMS package contains 320 domestic (excluding Hong Kong, Macao and Taiwan) SMS messages. Within the number of free SMS messages, there is no charge for sending SMS messages to domestic (excluding Hong Kong, Macao and Taiwan) numbers. If it is a brand in Beijing M-Zone, you can't cancel the required SMS package, but you can replace it with a more favorable online package, online chat package, etc. For example, edit KTDSW 18 and send it to 10086 for opening 18 yuan M-Zone Internet access package. Or switch to a short message packet with fewer messages. Please refer to.