Enter application management. Options -> Device -> Application Management. For devices running a BlackBerry OS prior to 6.0, check out this Knowledge Base Article
Press the menu key (the BlackBerry logo one) and select Modules from the list
Look for the IQAgent module. In OS 6.0+, you can search for "IQ" or "agent"
The net_rim_bb_drm_agent is fine and not a part of CarrierIQ -- if that's all you see, then CarrierIQ is not present.
Highlight the IQAgent module, press the menu key, and choose delete
You may be prompted to restart your BlackBerry
Be very careful about deleting application modules. If you delete the wrong one, you may end up trashing a perfectly acceptable application or needing to restore a Nuked BlackBerry. If you're up to it, send us some screenshots via Twitter of your Carrier IQ IQAgent being deleted. Mention @CrackBerry and include the hashtag #goodbyeciq
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