Can't send Media files via SMS for Iphone X (iOS 13.3.1), tried all the tips I can find?

You need a plan with data to send image or files by text message.

Read this link
https://fizz.ca/en/faq/i-cant-send-or-receive-multimedia-text-messages-why

Also try one by one those 3 solutions who solve a lot of problem
.
* Restart your phone
* Try enabling air plane mode for 30 seconds then disable
* Take out your SIM and insert it again


For more help contact the support

CHAT
Go to this page https://fizz.ca/en/faq/resolving-issues, if you are not connect login
The business hours: every day from 8 a.m. to 9 p.m. (EST).
Wait 5 seconds for the bubble icon to appear at the bottom right of the browser and click on the icon to chat with support. Try a different browser if you have issues getting the bubble to appear.
If the chat bubble does not appear, this means that the number of sessions waiting for our answers surpasses our processing capacity. If that happens, send us a private message via Facebook Messenger or Twitter.
 
FACEBOOK
Your can also send a message via facebook messanger https://facebook.com/fizzca and click send a message (this is a bit slower)
 P
CONTACT FORM
You can also fill a contact form from your account Once logged in, from the account panel go to My Profile → Contact Form (the subject are limited) and fill out the form and someone will email you back.

Lance,
I think you're better to contact the Fizz support customer service by chat( from 8h00 to 21h00, each day) to get more technical help.
The adress is: https://fizz.ca/en/faq/resolving-issues
Wait a few seconds to see the green bubble chat down to the right of the page.
When you see it, click on it.
Your chat session begins with Fizz.