- CrackBerry Genius
05-11-2012, 05:29 PM #4
- 2,580 Posts
You need to contact your carrier and see if they will block them at the network level.
You can use the Firewall to block them on the device, but typically even with the firewall enabled, you can incur costs from SMS and MMS sent to you.
The only foolproof way is to have the carrier block them.