Duplicate SIM and outgoing text


    I have a duplicate SIM that I ordered to be used in a non-TMO android device. Yesterday I placed the sim in a new unlocked iPhone so that I could also enjoy iMessage. I noticed this morning that incoming SMS works but not outgoing. Is there a reason why it worked on the android device but not my iPhone?  I am wondering if the SIM has to be provisioned specifically for iPhone or something.

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