If you are trying to download a 360 photo just to re-share it, keep these technical requirements in mind so Facebook recognizes it: How to download 360 photos to phone and view ... - Facebook
Downloading a requires a two-step process: first, saving the image file to your device, and second, using a compatible viewer to experience the interactive 360-degree effect. When you download a 360 photo from Facebook, it typically saves as a "flat" equirectangular image (a long, distorted rectangle) because most standard device galleries cannot natively render the interactive 360 view . Step 1: Download the Photo File download facebook 360 photo
Downloading and managing Facebook 360 photos involves understanding how the platform handles equirectangular metadata . While you can easily download images If you are trying to download a 360