How to cancel the traffic of 19 yuan by SMS?

Call customer service directly and transfer to the manual desk to ask him to cancel.

The 4G traffic king includes 500M domestic general traffic (excluding Hong Kong, Macao and Taiwan) and 200 short messages. Activate evacuation 12 months to save 2 G night traffic, and you can also experience the communication assistant for 3 months for free. The automatic superposition package is enabled by default outside the package (when the traffic fee outside the package is lower than 10 yuan, it will be charged at 0.29 yuan /M, and when it reaches 10 yuan, the domestic traffic will be 65M, and the above charging mode will be repeated when the traffic fee is used up).