The suffix is not a standard part of a file name. It likely indicates that the photo was manually tagged as a "Featured" or "Favorite" image in a gallery app, or it was part of a specific collection or article where it was being "featured."
The filename is a standard timestamp-based name generated by a smartphone or digital camera. Breaking down the name: IMG : Image file. 20230211 : The date the photo was taken ( February 11, 2023 ). IMG_20230211_134354_721.jpg
Where did you (e.g., a specific website, folder, or social media post)? Are you trying to recover the original image ? The suffix is not a standard part of a file name