you know its usually Difficult. Brain Hackers has posted details
on how to unlock your BlackBerry Mobile Phone for free! So
this unlocks virtually any BlackBerry Pearl, Curve, Pearl Flip
or any BlackBerry Mobile Phone.
Follow these steps...
1. Insert any SIM card
2. Go to 'Options'
3. Type 'SIM' and click on 'SIM card'
4. Go to 'Manage Connections'
5. Click on 'Restore Connections'
6. Device is now unlocked
To unlock Blackberry 9930 use unlock code.I would suggest the site www.theunlockspot.com here you can get unlock code at reasonable cost and unlock it easily.
nice