How can I change Fido to Fizz?

Hi every body.I bought a Fido sim with 3+3 GB internet and pay 49$ per month. I am student and I want to change it to fizz.
1-How can I keep my previous number in Fido as my number in fizz?(step by step please) and is Has it any extra fee for me?
2-In this condition, Is it possible I don't pay another activation((Fido take 35$ for activation)?
Thanks

Answers

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