Ultra realistic handheld smartphone video aesthetic, filmed vertically in 9:16, authentic modern pho

Ultra realistic handheld smartphone video aesthetic, filmed vertically in 9:16, authentic modern phone-camera realism, unstable handheld movement driven by natural body motion, visible micro jitters from nervous grip, realistic walking bounce, imperfect stabilization wobble, rolling shutter distortion during sudden movements, natural motion blur during quick turns and reframing, realistic smartphone autofocus breathing and hunting, digital zoom artifacts, slight compression artifacts, realistic phone HDR struggling with bright skies and darker foregrounds, exposure pumping during camera movement, slight sensor noise in shadow areas, occasional lens smudges catching light reflections, believable environmental audio, raw observational realism, no cinematic camera movement, no professional framing, no dramatic soundtrack, no polished movie look, feels like accidental real smartphone footage captured during a genuine real-world event.