If you back up your iPhone, iPad, or iPod touch, you’ll have a copy of your information to use in case your device is ever replaced, lost, or damaged.
Choose a backup method
Before you get started,If you need an alternative backup, you can make one in iCloud and another using your computer.
How to back up with iCloud
1-Connect your device to a Wi-Fi network.
2-Go to Settings > [your name], and tap iCloud
3-Tap iCloud Backup.
4-Tap Back Up Now. Stay connected to your Wi-Fi network until the process completes.
You can check the progress and confirm the backup completed. Go to Settings > [your name] > iCloud > iCloud Backup. Under Back Up Now, you'll see the date and time of your last backup.
How to back up with your computer
1-Connect your device to your computer. On a Mac with macOS Catalina 10.15, open Finder. On a Mac with macOS Mojave 10.14 or earlier, or on a PC, open iTunes.
2-If a message asks for your device passcode or to Trust This Computer, follow the onscreen steps. If you forgot your passcode, get help.
3-Locate your device on your computer. If your device doesn't appear on your computer, learn what to do.
4-If you want to save Health and Activity data from your device or Apple Watch, you need to encrypt your backup: Select the box called Encrypt [device] backup and create a memorable password. If you don't need to save your Health and Activity data, you can make a backup that isn't encrypted. Just click Back Up Now.