If you lose or damage your iPhone, iPad, or iPod touch, you don’t want to be losing all of your data. Think about all of the pictures, videos, messages, passwords, and other files on your smartphone. If you lose or damage one device, you could end up losing a significant chunk of your life. There’s one easy and effective way to ensure that you never lose data. On iOS, backups are very easy and most people won’t need to pay anything to do this. If you don’t have a PC or a Mac, backing up on iCloud may be your best option. These days 16GB iOS devices are slowly being phased out and that means most people will have a lot of data to be backed up on iCloud.
How to Backup Your iPhone, iPad, iPod touch via iCloud
Open Settings > tap your name right at the top > iCloud > iCloud Backup.
Tap the button next to iCloud Backup to turn it on. If it’s green, backups are on.
Tap Backup Now if you want to manually initiate a backup.