Until now, I am still pretty confused on how Photo Stream works between OS X and iOS and between both operating systems and cloud service in term of remove or deleting the photos. It does not make sense so far but I think it is time to do a bit of searching. However, this will do tonight. Now, I only start the topic as a reminder that I will need to solve this curiosity later on.

For now, back to work ~

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Thanks krub ;-)

macsf replied to your post: delete photos from Photo Stream

Delete from Photostream on one device, it will be removed from all connecting device on next sync.

So, it seems the important part is “NEXT SYNC” then ;-) Now, I can understand why it did not remove on all devices on some occasions ~