Back up iPad using iCloud
Back up iPad
Photos will be immediately uploaded to iCloud and copied to other synced devices. This method allows uploading of specific images to iCloud rather than your entire iCloud library. Access your Photos Preferences to accomplish this.
Tap your Apple profile (at the top). While enabled, data such as your accounts, documents and settings are automatically backed up to iCloud®.
Find iCloud backups manually
You can back up iPad using iCloud or your computer. To decide which method is best for you, see About backups for iPhone, iPad, and iPod touch.
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All replies. Press the sleep/wake button on the top right. Or let it lock itself (depending on what option you have at Settings > General > Auto-lock).
Step by Step: How to Reset and Restore iPad From iCloud Backup
Click General in the button bar. To select backup options, do any of the following: Select “Back up your most important data on your [device] to iCloud” to store backup data in iCloud instead of on your Mac. Your device backs up to iCloud during the next automatic backup.
Backup iPhone Music to iCloud via iCloud Backup
How to use iCloud Backup
You can remove items from your device before the 30-day time period is up. On your iOS device, in the Recently Deleted album, tap Select, select one or more items, tap Delete, then tap Delete [items]. This Recently Deleted album can also be found on iCloud.com, so you can remove the photos from there as well.
While this method is exceptionally convenient, it doesn't perform a full backup. It backs up only what Apple deems the “most important data” on your iOS device: your camera roll, accounts, documents, and settings. You can manually perform an iCloud Backup from your iOS device or from within iTunes on your computer.
Fix 2: Make sure there is space in iCloud If the iPad will not backup to iCloud, then go to the iCloud Settings > Storage feature on your iPad. From here, you can check if you have enough space in your iCloud to begin with.