How to retrieve a previously deleted group message

[AC Question]

I received a group text and deleted it . The original sender added to the original text
and transmitted it again , but I never received it .

 

[ManiacJoe]

Your SMS messages are stored in a database. There is no undelete.
On a rooted phone, with the proper database tools you might be able to see the old data if the space has not already been recycled. However, that is easier said than done.