Apple iPhone 4

Select option

Back up the phone memory using iTunes, go to 1a.
Back up the phone memory using iCloud, go to 1b

1a - Back up the phone memory using iTunes

Start the program iTunes on your computer.

1a - Back up the phone memory using iTunes

Connect the data cable to the socket at the bottom of your phone and to your computer's USB port.
Depending on your settings in iTunes, backup may start automatically.

1a - Back up the phone memory using iTunes

To start backup manually:
Select Back up to iCloud or Back up to this computer.

1a - Back up the phone memory using iTunes

Right-click your phone in the menu to the left.

1a - Back up the phone memory using iTunes

Select Back Up.

1b - Back up the phone memory using iCloud

Press Settings.

1b - Back up the phone memory using iCloud

Press iCloud.
If it's the first time you use the application, you need to log on.

1b - Back up the phone memory using iCloud

Press Storage & Backup.

1b - Back up the phone memory using iCloud

Press the indicator next to iCloud Backup to turn on the function.

1b - Back up the phone memory using iCloud

Press OK.

1b - Back up the phone memory using iCloud

Press Back Up Now.