i am trying to backup my photos, and found that all my photos taken with the front camera are listed at the beginning of the date. i am curious about the situation, that's why tried to use Adobe Bridge to view the photo info, and then realize that all my photos taken with the front camera have no EXIF date and time.
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update: if i look at the photos' info with the phone's default gallery or google photo, i can also find its date and time. however, since my photos backup application (Synology Moments) look at the EXIF date and time, instead of the file modified date and time, it cannot show the date and time of my photos accurately.
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in short, my photos taken with my front camera have accurate modified date and time, but NO EXIF date and time.