: The device does not preserve the original camera filename (e.g., DCIM_001.jpg ) and instead standardizes it to this "WA" format upon download. WhatsApp media file naming convention - Forensic Focus
When an image is processed through WhatsApp, several changes occur compared to the original photo taken by a camera: Download IMG 20221009 WA0007 jpg
: WhatsApp significantly reduces the file size to save bandwidth, which often results in lower resolution or "grainy" quality compared to the original. : The device does not preserve the original