How To Do A Manual backup?

Step 1:

i) Connect your device to a Wi-Fi network.

Step 2:

ii) In iOS 8 or later, tap Settings > iCloud > Backup. Make sure that iCloud Backup is turned on.

Step 3:

iii) Tap Back Up Now. Stay connected to your Wi-Fi network until the process completes.

Step 4:

iv) Make sure the backup finished by tapping
Settings > iCloud > Storage > Manage Storage, and then select your device.

NOTE:

The backup you just made should appear in the details with the time and backup size.