After the one ui 7 update i started experience battery drain problem and slow charging after the update i have charge the phone 2 to 3 time a day..Samsung please fix this.........
First open settings then apps and down there are 3 lines tap it and choose show all system apps and search contact storage and then open battery and choose restricted. Hope it solve your problem..
Samsung discontinue this feature from 30 September. And that's why you not seeing this feature. Now wait for gallery app update Samsung now introducing photo sync with google photos.