Original has been optimized by iCloud Photo Gallery
When you open the iCloud Photo Gallery, your photos and videos are automatically uploaded to iCloud.
If you turn on Optimize Storage, iCloud Photo Gallery automatically manages the size of the library on your device. Your original photos and videos will be stored in iCloud, and the space-saving version will remain on your device.

How do I download photos that have been backed up to iCloud?

On an iPhone, iPad, or iPod touch with iOS 10.3 or later, go to Settings > [your name] > iCloud > Photos and select "Download and keep originals."
In iOS 10.2 or lower, go to Settings > iCloud > Photos.
The iCloud Photo Gallery keeps the original full resolution photos and videos on iCloud and your device.
After selecting "Download and keep originals", the system will automatically download the originals back to local when you are free.

How do I stop uploading images to iCloud?

When you open the iCloud photo gallery, the time it takes your photos and video to upload them to iCloud depends on the size of your personal collection and your Internet speed.If you have lots of photos and video, the upload process may take longer than usual.You can view the status and suspend the upload for a day.

On an iPhone, iPad or iPod touch, go to Settings >, [your name], >, iCloud, >, photos.

In iOS 10.2 or later, go to Settings >, iCloud, >, photos.

You can also open the photo app, go to the time view, and scroll to the bottom of the screen.

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