My group chat is splitting up when they text me.

[Android Central Question]

When I made a group chat, it was sent out as a group chat and I could text everybody at once, but when they text me, it shows me the message separate from the group chat.

 

[Ry]

When I made a group chat, it was sent out as a group chat and I could text everybody at once, but when they text me, it shows me the message separate from the group chat.

What phone?
What carrier?
What SMS/MMS app?