Make sure that iCloud Backup is turned on. 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. read more
Tap iCloud. Tap Storage & Backup. Tap Back Up Now to start the ball rolling. A progress bar shows how much time is left until the backup is complete. Naturally, the more data you have on your iPhone, the longer the backup will take. For your iPhone to automatically start an iCloud backup, you must have a Wi-Fi connection to the Internet. read more