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The option to add a caption doesn't not seem to work if you were not the person who uploaded the photo.
Sorry, there was a problem. Please try again later.This doesn’t appear to work for the Last 1000 Photos group of photos.
Sorry, there was a problem. Please try again later.Caption on a Photo can be edited via the Nixplay mobile app. Open the relevant picture by going to the library in the Nixplay mobile app and clicking the "edit caption" option available when you click on the three dots at the bottom of the screen.
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