What do you mean, blacklisted people can't get at's text messages?

After the other party is blacklisted, they will no longer receive messages from the other party.

Blacklist adding method: Enter WeChat to touch the address book, select friends who need to be blacked out, touch the function key in the upper right corner on the details page, and select Add Blacklist.

There are two encoding methods for short messages: text mode and pdu mode. Therefore, there are two AT instruction execution formats of SMS, corresponding to text mode and pdu mode respectively.

Go to Settings, click Phone, click Harassment Interception, and then click Blacklist. Add strange numbers to the blacklist or download other anti-harassment software.