How to Delete and Block BBM Contacts From Your Devices

Here i want to share from my experience where more of any contacts who broadcast or send waste message to me. Therefore I choose this way that I got from here. It is indeed quite easy and fast.
if you want to block a BBM contact from your devices you must to open Android devices:

- Open BBM.
- In the Contacts list, touch and hold the contact for about 3 seconds, then let go.
- Tap the menu button at top-right (3 dots).
- Click Delete.
- Select the Block future invitations check box.
- Click Delete.
and then finish. So if you want to unblock a BBM contact you will still need to re-invite the contact should you desire to do so. Open your Android devices:

- Open BBM.
- Tap the Menu (top-left) then Settings.
- Click Blocked Contacts and Feeds.
- Touch and hold the contact for about 3 seconds.
- In the Contacts list, touch and hold the contact for about 3 seconds, then let go.
- Click the Trash can (top-right).
- Click the back button to exit the menu.

Eventually you will be freed from messages that bother you. Hopefully it can help