Facebook is undoubtedly the most popular social network in the world. Users registered on the platform can share their thoughts, personal photos, videos and links. The published content can be viewed by our friends and acquaintances, according to the privacy settings. However, there is no limitation for those who wish to download content posted on Facebook. The downloading of photos, for example, can be performed either through a standard browser from the computer, which through a simple smartphone. This process, particularly on an iPhone, happens in a simple and fast way. To better understand how to do it, let's see together, in detail, how to save Facebook photo to iPhone.