How to Upload Photos to iCloud on iPhone or iPad

Open your iPhone or iPad's Settings app. Find and tap the iPhone Settings App Icon icon on your home screen to open the Settings menu.

Tap your name at the top. Your full name and picture are listed at the top of your Settings menu. Tapping it will open your Apple ID menu.

Tap iCloud. This option is listed next to a iPhone iCloud Drive Icon icon on the Apple ID menu.

Tap Photos. It's the top option under the APPS USING ICLOUD heading.

Slide the iCloud Photo Library switch to iPhone Switch On Icon. When this option is enabled, all of your photos will be automatically uploaded and stored in iCloud.

Select how you want to store your photos on your iPhone or iPad. If you select Optimize iPhone Storage, full-resolution photos and videos on your device will be replaced with optimized, lower-resolution versions. Full-resolution versions will be stored in iCloud. If you select Download and Keep Originals, you'll be able to access all your photos and videos in full-resolution without an internet connection.

Slide the Upload to My Photo Stream to iPhone Switch On Icon. When this option is enabled, all the new photos and videos you take will be automatically uploaded to iCloud when you're connected to Wi-Fi.