I got charged for a sim card on Friday May 15th $11.10 and again Thursdays may 21 for $11.10
If you are certain that two different sim cards were're ordered, you'll have to submit a ticket through https:/publicmobile.ca.ada.support/chat . Did you only receive one order number from Public Mobile by e-mail?
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Sometimes when we buy something online retailers put payments through a couple times make sure funds are there, but when get bill, notice only charged once.
@Mamba are they both completed on your credit card? One might say pending and the other may have gone through. You can call your credit card company to see if this is the case.