Select personal credit card payment when setting. Buying icloud space will prompt you to verify your credit card. Payment must be bound to a credit card, because personal credit card payment is selected when setting. When you buy iCloud space, the fee will be deducted from this card by default. ICloud is a cloud service provided by Apple. Users can store 5GB of data for free. On May 36, 20 1 1, Apple officially announced that it owns iCloud products for the first time.