Question about Samsung Blackjack SGH-I607 Smartphone
Are you referring to a sim lock? This means that you cannot use your phone with another providers service unless you unlock your phone. For example, if you have a tmobile sim you cannot use at&t sim card until the phone is unlocked. I would suggest doing a google search on cell phone unlocking to find a company to unlock your phone.
Posted on Nov 23, 2007
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