Open the Settings app
Tap your name at the top
Tap iCloud
Tap Manage Account Storage or iCloud+
Tap Buy More Storage or Change Storage Plan
Select a storage plan
Tap Buy
Confirm with Face ID, Touch ID, or your Apple ID password
Open the Settings app
Tap your name at the top
Tap iCloud
Tap Manage Account Storage or iCloud+
Tap Buy More Storage or Change Storage Plan
Select a storage plan
Tap Buy
Confirm with Face ID, Touch ID, or your Apple ID password