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I've moved your post here as I think you should find the info you need above. Don't hesitate if you have any other questions!
Starting December 1st, 2017, you may unlock your Fido device without cost. Is there any other requirement(s)...for example, the IMEI has to be on my profile for a minimum period, etc?
As of December 1, 2017 we will be able to unldock Fido phones at no charge upon request, without any waiting period.
I hope this information was helpful.