Getting back deleted content?

A while ago, my best mate sent me some funny photos that meant a lot to me and I forgot to save them. The phone he sent them to (iPhone 3Gs) was stolen and wiped, but then I got it back. Anyway, I had to restore it to the last backup made and those photos were gone. My mate doesn't have them anymore and I just don't know what to do to get them back. Please help, these photos meant a lot to me.

Added (1). They never existed on any computer, they only existed in my messages.

Sorry I don't think you can. Those photos only ever existed in Memory and there fore were wiped when they flashed the device. If they ever existed on a hard drive of a PC? It might be possible to retrieve them.

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