How to block all short messages?

You can do this: first, turn on your mobile phone, find the "Settings" tool, turn on the settings, and select "SMS" from the drop-down box. Then, after opening the SMS page, click "Harassment Interception". After clicking on the harassment interception, select "Blacklist". Finally, enter the blacklist page and click "Add" below. On the new page, you can select the mobile phone number to block short messages from call records, groups and contacts, and click OK to block all short messages.