Although my phone performs the backup smoothly, I find my photos are not backed up when I enter iCloud, and my old backed-up photos are also deleted from iCloud when I delete them from my phone.
I also have 45GB of free space on iCloud.
What should I do to make this not happen?
iPhone 6, iOS 12
iCloud Photos and iCloud Backup are two different things. You can view iCloud Photos at iCloud.com but you cannot view the contents of an iCloud Backup.
iCloud Photos is a syncing service. Any photo you delete from a device where iCloud Photos is turned on will also be deleted from iCloud and from any other device connected to iCloud Photos. You can potentially reduce the storage space required on a device by turning on Optimize Storage. See: Set up and use iCloud Photos - Apple Support
iCloud Photos and iCloud Backup are two different things. You can view iCloud Photos at iCloud.com but you cannot view the contents of an iCloud Backup.
iCloud Photos is a syncing service. Any photo you delete from a device where iCloud Photos is turned on will also be deleted from iCloud and from any other device connected to iCloud Photos. You can potentially reduce the storage space required on a device by turning on Optimize Storage. See: Set up and use iCloud Photos - Apple Support
Icloud backup !!!
