Use iCloud.com on an iPhone
You can use iCloud from anywhere by signing in to iCloud.com using a web browser recommended in the Apple Support article System requirements for iCloud.
Sign in to iCloud.com
Apps and features on iCloud.com
You can use a web browser to view information stored in iCloud on iCloud.com. Depending on your device, you have access to different apps and features.
Learn what you can do with the following apps and features on iCloud.com on an iPhone:
You can also change some settings related to iCloud. See iCloud settings you can change on iCloud.com on an iPhone.
If you do not see an app you are looking for, make sure you are signed in with the correct Apple ID. To get access to all iCloud features, sign in to your iPhone, iPad, iPod touch or Mac. See Get more iCloud features.
Switch to a different iCloud.com feature
At the top of the iCloud.com window, tap the name of the feature you are currently using, then tap another feature.
Sign out of iCloud.com
Tap your name at the top of the iCloud.com window, then choose Sign Out.