Yeah,that sucks. I would hate for that to have happened to me. I just got mine yesterday. Having issues with porting my number (because of old provider) but the sim is fine. @Shazia_K or @Mary_M seem to be very helpful at fixing things around here. ...
I have a HTC m8 and my SIM was recognized so I don't thisnk that the phone is the issue. Also, usually if the phone is locked, it will ask for an unlock code when you put a sim card from another provider. Maybe the sim card is defective? I've also ...