Good Day & Weocome to the Bell Community Forum.
I have included the following web link that will assist you in setting up & using group iPhone messaging.
In order to set this up, your device must meet the minimum criteria for your device & your plan must also include text messaging.
To send a group MMS message on an iPhone, turn on MMS Messaging. Go to Settings > Messages and turn on MMS Messaging.
Send a group text message on your iPhone or iPad
https://support.apple.com/enus/118236#:~:text=To%20send%20a%20group%20MMS,plan%20supports%20Group%20....
Thank you for posting your question. Enjoy.
Take care.
I am a Community All-Star and customer. I'm here to help by sharing my knowledge and experience. My views on Bell and the Community Forum are my own and not the views of Bell or any of its affiliates.
