I have a few questions about innerworkings of Photo Stream. I have about 800 photos on my Ipnone 3Gs. Just recently I updated to the most recent OS 5.1.1, but have not updated the OS for a long time skipping several past updates. After getting OS 5.1.1, I enabled Icloud and Photo stream on the old Iphone and my brand new Ipad (also 5.1.1) I can succesfully synchronize recently taken photos to show in in the Photos APP on both devices under Photo Stream tab. Now here comes the question: Even though I enabled Photo Stream on my old Iphone, all photos taken before I upgraded the IOS are not being synchronized. They do not show up on the IPAD. The recent photos though, are visible on both devices. How can I make the old photos on my Iphone show up on Photo Stream?