@Jbws sorry,likely you have to schedule a plan change for next payment cycle instead
However, you can try your luck if you just make the plan change now. Please open ticket with PM support:
1. If you have access to My account: At https://publicmobile.ca/chatbot.
Start by typing "Submit a ticket", then click "Contact Us", Then click "Other", then click "Click here to submit a ticket ↗"
2. If you don't have access to My Account or have trouble with Chatbot: Private message CS Agent at:
https://productioncommunity.publicmobile.ca/t5/notes/composepage/note-to-user-id/22437
**Monitor your Community inbox (envelope icon on the top right) after the ticket is opened. CS Agent will reply to you there