Why do I need to turn off my phone every hour because i don’t receive calls or text ?

If you do not have signal, it can be an hardware problem or that you are in a zone without a good signal.

Did you already tried the SIM in a different phone?
https://fizz.ca/en/faq/i-cant-receive-any-calls-on-my-phone


What phone are you using it is your phone compatible?
https://fizz.ca/en/faq/compatible-devices

You can contact Fizz support by chat, from 8 AM to 9 PM everyday:

1- Connect to your Fizz account by clicking « Login » in the top right corner at fizz.ca
2- Click on this link: https://fizz.ca/en/faq/i-cant-receive-any-calls-on-my-phone
3- The green chat bubble should appear after a few seconds in the bottom right corner.

Try your SIM card on another phone and contact fizz support