: You can isolate subjects in your videos or photos by performing a long press on the subject within the iOS Photos app. This allows you to save the subject as a new image without its background, according to tips from AlexEzTechTips on TikTok .
For those managing a library of files like IMG_6532.MOV on an iPhone:
: If the file is a 3D model exported as a video or related to slicing software, users on the Simplify3D Forum suggest that adjusting layer thickness or slightly rotating the model can resolve "missing chunk" errors during processing.