Why can't I add someone to a group chat on iMessage?
You cannot add people to a group message if one or more of the people does not have an iPhone. You also cannot add people to an already existing iMessage group chat if they do not have an iPhone. In this case, one of the people that was in the group chat doesn't have an iPhone.Aug 23, 2016
Why can't I add someone to a group text on iPhone?
If you want to add someone to a group message — but they're using a non-Apple device — you need to create a new group SMS/MMS message because they can't be added to a group message using iMessage. You can't add someone to a messages conversation that you're already having with just one other person.Sep 20, 2021
Can you add someone to an existing group text?
Tap the group message you want to add someone to. Tap the group icons at the top of the thread. Tap the grey arrow icon to the right of the contacts, then tap Add Contact . Type the contact you want to add, then tap Done.Oct 6, 2021