You can create rules in a few ways...
- Tap and hold press on a conversation, then tap on the block icon
- While inside a conversation, tap on the 3-dot-menu (upper right corner) then tap on “Block & report spam”.
If you want to block a country/number series or a sender name then do the following:
1. Tap on the shield icon to enter the block section
2. Tap on the "+ sign" and select your option