From the Home screen, tap Settings.
Select your profile.
Tap iCloud.
Tap Manage Account Storage.
From this screen, you can view apps using iCloud and manage your iCloud storage plan.
Tap Change Storage Plan.
Tap Buy.
Your storage plan will automatically renew on a monthly recurring basis. You can cancel at any time by reverting to the free iCloud storage plan.
Select your desired plan then tap Upgrade to iCloud+.
Enter your Apple ID password.
If you have previously set up Face ID, you can use it in place of your Apple ID passcode. If your device has a home button, Touch ID can be used instead of Face ID. For either case, you can skip to Step 9.
Tap Sign In.
You've completed the steps!
