iCloud is not an app but Apple's own cloud-based storage included in your device. Using iCloud and connect to internet, data on your device will be automatically shared among all of your iOS devices and your computer. You are also allowed to store documents to iCloud and iCloud can store your iPhone backup in case of data loss. Wonder how to use iCloud? Follow the instructions below and get more details about how to use iCloud to back up your iOS devices.
How to Perform iCloud Backup on your iPhone/iPad/iPod touchStep1: Go to "Settings" > "iCloud" > "Storage & Backup". Find "iCloud Backup" and turn the switch on.
Step2: Go to "Manage Storage" and select the entry for your device. Here choose "Jill's phone" and move on.
Note: You can see the storage space available at the bottom of the interface. 5GB is provided for your iCloud storage. If you want to back up more apps or data, you can pay Apple for extra storage space. Just click "Buy More Storage" and choose as you like.
Step3: Enter your device and you can see the detailed information of your apps. Here you can see the backup time, size and so on. Top five storage-using apps are shown in the screen by default. You can click "Show All Apps" to see more other ones on your device. Selectively choose which items you want to back up or not. Turn it on or turn it off, it is all according to your own wish.
Step4: Certainly, you can delete the backup as you like in iCloud. "Delete Backup" button at the bottom is offered for you if you don't want to keep the backup. Contents are all still on your device, all you deleted is what is backed up in iCloud.
Just four simple and easy steps can help you successfully back up your iPhone/iPad/iPod touch and save those important data files for you. Each time your device is connected to the Internet and changes are made to apps, iCloud will upload the changes to your iCloud account. If you want to sync with other Apple devices and share the changes, you should use the same Apple ID for iCloud account so iCloud can work successfully.