Trying to restart my old iPhone, it shows that I must use iTunes to restore or update the device. I need the data in it and do not want to restore, but an update install has no enough space.
Your photos are always available for both iPhone and iCloud. You delete it on the iPhone it is gone from iCloud and vice-versa. To save space on your iPhone use optimized iPhone storage. Remember, if you delete in one it is deleted everywhere.
Get started with iCloud Photos:
Tap Settings > [your name] > iCloud > Photos.
Turn on iCloud Photos.
Select Optimize iPhone Storage to save space on your device.
With Optimize Storage, smaller, space-saving photos and videos are kept on your device while all of your original, full-resolution versions are stored in iCloud. And as long as you have enough space in iCloud, you can store as many photos and videos as you want.
Your photos are always available for both iPhone and iCloud. You delete it on the iPhone it is gone from iCloud and vice-versa. To save space on your iPhone use optimized iPhone storage. Remember, if you delete in one it is deleted everywhere.
Get started with iCloud Photos:
Tap Settings > [your name] > iCloud > Photos.
Turn on iCloud Photos.
Select Optimize iPhone Storage to save space on your device.
With Optimize Storage, smaller, space-saving photos and videos are kept on your device while all of your original, full-resolution versions are stored in iCloud. And as long as you have enough space in iCloud, you can store as many photos and videos as you want.