change plan before installation?

Hi Julie

You cannot from your side, however, try to chat with the support

You can contact Fizz support by chat

1- Log in to your account (see top right).
2- Any ad blocker in your browser must be disabled.
3- You must be on a help sheet: https://fizz.ca/en/faq/i-would-like-to-change-my-fizz-hom...
4- The green bubble should appear in bottom right of the page