How to back up your iPhone or iPadProtect your photos, messages, and other data on your iPhone and iPad by backing it up!
Your iPhone or iPad stores all your photos, messages, health data, documents, accessory setups, settings, and more. In other words, your memories and your preferences. Your data is important, even precious, and should be treated as such. The best way to secure your data is to back it up. You can back up your iPhone or iPad via iCloud, or directly on your computer using iTunes. Before you download any software, you should always back up your device. You should also maintain a regular backup routine, just in case something happens to your iPhone or iPad, like getting lost or stolen.
What is a backup?
How to enable iCloud backup on your iPhone or iPad
How to manually trigger an iCloud backup
How to enable iTunes backups
How to back up your iPhone or iPad manually via iTunes
What is a backup?
A backup of your iPhone or iPad includes your device settings, app data, Home screen and app organization...
Source:
How to back up your iPhone or iPad