1. akakarim's Avatar
    i bought a blackberry 9550 storm 2... and i think that his first owner was in canada and
    when i insert my sim card it shows ( invalid card sim )
    what im supposed to do ???
    03-22-12 06:36 PM
  2. Sarcasm Detector's Avatar
    Sounds like its carrier locked.

    I recomend you use the search function and look up "unlocking blackberry".
    03-22-12 06:40 PM
  3. TheScionicMan's Avatar
    Try this: Blackberry Unlock Code

    I've used it a few times and works great.
    03-22-12 06:50 PM
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