how do you unlock the blackberry pearl?

Find your book it has the password. It's a default password standard on all Blackberry's.

darrob999 said:

ive read go to the advanced options blah blah blah but it keeps asking me for a password to do anything it has "invalid sim" on the top of the screen, any suggestions?

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HI is your blackberry pearl mobile is displaying invalid sim message once you insert your sim in it then sure it mean your phone is locked to some other network provider due to this it wont accept your network sim until you unlock it .You can easily unlock your blackberry pearl mobile through online providers like UnBBLock.com here they are rendering network unlock code for all blackberry mobile models at reliable cost ....You first check that whether the code is available for your country and network provider .If yes then pay for it and unlock your phone then freely use it with any GSM sim ....