accidentally deleted text conversation
So my problem is I accidentally deleted a whole text conversation and im trying to get it back because theres so many pictures in that particular conversation. I tried a 3rd part recovery app on my computer and it didn't work. My icloud storage was the default 5gigs and it was full months ago. I went into setting>appleID>icloud backup and it says "last successful backup was on July 17 2020" its September 10th 2020.
So im wondering if i restore the back up from July 17 will i regain the text conversation with all the attachment in it but also will I lose everything on my phone ex: texts, pics etc from July 17th to now? Im really bumbed out that it somehow got deleted.
Or is there some other way I can recover the deleted conversation? Any help would be really appreciated. Thanks in advance :)
iPhone XR, iOS 13