Here is a tutorial to teach you how to unlock your AT&T samsung impression cell phones. This methods uses the uses the Samsung C417 but should be applicable for other Samsung models as well.
Requirement: First, to give AT&T tech support a call (1-877-834-3318), tell them you are going overseas for the summer, and ask for the Subsidy Unlock Code for samsung impression a877. AT&T Samsung Impression info
Watch the tutorial video:
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