This article show you how to change Blackberry Device. This article is for user that want to change his device without change of BIS from GSM operator, not applicable for CDMA. Device: Old to New Operator/BIS: No Change Do with your own risk. Tools: Blackberry that you want to sell (Blackberry A) New Blackberry (Blackberry B) Conditions: Blackberry A and Blackberry B are unlocked, learn here Blackberry A is operated normally Blackberry B PIN is released, learn