If you use a vivo phone, this function will optimize the space occupied by the picture, and the original file will be deleted after slimming; The "automatic optimization of storage space" of photo albums is to automatically replace local photos and videos with smaller versions to save storage space, and the original files can be downloaded from the cloud at any time.

If you have more questions, you can go to official website /vivo Mall APP-My-Online Customer Service-Sliding Bottom-Online Customer Service-Manual Customer Service for consultation.