Connect your previous device to the Internet with Wi-Fi.
Go to Settings > iCloud > Backup.
Make sure that iCloud Backup is turned on.
Tap Back Up Now.
Stay connected to Wi-Fi until the process finishes.
Connect your previous device to the Internet with Wi-Fi.
Go to Settings > iCloud > Backup.
Make sure that iCloud Backup is turned on.
Tap Back Up Now.
Stay connected to Wi-Fi until the process finishes.