Galaxy Smartphones: Back Up the Gallery app to Samsung Cloud
Turn on Gallery Sync in the Samsung Gallery app to make sure your photos are all saved and backed up. Your precious moments will be right there when you need it in the Samsung Cloud, and if anything ever happens to your mobile device or tablet, your photos will be safe and sound.
From the Samsung Galaxy S9 running Android OS Version 8.0 (Oreo), the Gallery sync option is disabled by default. If the Gallery sync option has been disabled, images which have been already uploaded to Samsung Cloud, will not be displayed in your Gallery until the Gallery sync option has been enabled.
Follow the steps below to learn how to enable Gallery sync:
Please Note: It is strongly recommended to be connected to a Wi-Fi connection when syncing your Gallery items to Samsung Cloud due to large file sizes.