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If you don't have an agreement and have been active with Fido for a minimum of 1 month, you're definitely eligible for a temporary suspension. The temporary suspension is $7/month, and can be added for a minimum period of 2 months, and maximum period of 12 months. It has to be added at the beginning of the billing cycle.
Only a Fido representative can add it to your account you can contact Fido through one of the available methods here.