Downloading photos from Cloud
My iphone 6 will not download photos from Cloud because of lack of space. Only 11GB OF 50GB is in use. It has been attempting the download for 12 hours with no success. I have tried restarting my phone.
iPhone 6, iOS 12
It's because of a lack of storage space on your device - About storage on your device and in iCloud - Apple Support, then do the following -
Free up space on your device
You can make storage space available on your iPhone, iPad, or iPod touch when you use iCloud Photos and turn on Optimize Storage. Or you can remove content from your apps—like photos, music, and Podcasts—or delete the apps that you're not using.