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    WWAN Ready VS WWAN Option VS WWAN Upgradeable. Difference?

    Discussion in 'Lenovo' started by Nandarou, Jun 10, 2010.

  1. Nandarou

    Nandarou Notebook Geek

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    What is the difference between wwan option, wwan ready and WWAN Upgradeable.

    I have x201i 3323-A23 (wwan option). Under the battery, I see a slot for a SIM card, as well as two unused wires with blue and red symbol on them.