1. jimbahh's Avatar
    I have a Blackberry curve 8520 running on OS 4. How can i upgrade it to OS 5?
    04-17-14 12:30 AM
  2. jimbahh's Avatar
    You can either use the Blackberry desktop manager method (online) or loader method (offline). Follow this guide on how to upgrade Blackberry OS . Crackberry is the right place to come. lemme know if you have any more questions
    Thanks, i'll check it out. Which method is easier, because im a noob
    04-17-14 12:36 AM

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