Receiving SMS from others as my own number on duplicate SIM

baldcamarostud

    On my duplicate SIM, all of a sudden my SMS messages appear to have been both sent and received from my own number, and not the sender.  I have a Galaxy S8+ as the primary phone and a Huawei Mate 9 as the secondary.  I have rebooted both devices but it does not help.

     

    So, in other words, when a SMS is received on the duplicate SIM, the sender shows as my own number and not the contact.  I am still able to communicate however, it just looks like I'm having a conversation with myself in the messaging app

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