1. jgiron88's Avatar
    i just bought a lumia 900 locked to at&t, when i place a non at&t sim card it wont display anything it just say says sim card error only emergency calls, what can i do to solve this problem, i cant unlock my lumia, thanks in advance for the reponses
    I try with ##782# but nothing
    02-21-2013 10:37 PM

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