The filename is a structured string that provides information about when the image was created and how it was processed by the app.
: This long prefix is likely a Unix timestamp (in milliseconds) used by a file manager or a cloud backup service (like Google Photos) to ensure a unique filename during a download or sync process. Download 1664777197778 IMG 20220202 WA0013 jpg
: This segment indicates the date the photo was originally taken or saved, formatted as YYYYMMDD. In this case, the date is February 2, 2022 . The filename is a structured string that provides
: This is the standard file extension for compressed image data. 2. How to Download the Image In this case, the date is February 2, 2022
If you have received this file as a document or a standard chat image, here is how you can save it permanently to your gallery: On Android
: You can share the file directly to Google Drive or Google Photos to download it on any other device. On iPhone (iOS)
: If the image was sent as a document, it may be hidden from your main gallery. Use a file manager like Files by Google to navigate to Internal Storage > Android > media > com.whatsapp > WhatsApp > Media > WhatsApp Images .