short message

1. If it is a smart phone, you can download some auxiliary software. There are many mobile phone housekeepers on the Internet. Many mobile phones have their own harassment interception function, and SMS has blacklist option. Add unwanted numbers to the blacklist and automatically block them in the future.

2. You can consult the manual station 10086 and ask the manual station to cancel some mobile newspapers, which will secretly deduct money.

For reference!