How to cancel 30 yuan's 2g traffic package by sending SMS?

Hello, if it is Hubei Telecom, you should send 806 to 1000 1 to cancel the domestic traffic package. (806

Cancel the national package

803

Cancel package saving (or local package)

40 1

Cancel the directional package in the province

804 1

Cancel the free time package in the province

805

Cancel the 4G chat package in the province

808

Cancel international roaming traffic packet

QXSJB

Cancel the 4G national upgrade package

802

Cancel the national 3G monthly subscription.

807

Cancel the national 4G monthly package)