Backing up the phone memory on my mobile phone
If you want to update the software on your mobile phone, it's recommended you back up the phone memory.
Connect mobile phone and computer
Connect the data cable to the socket and to your computer's USB port.
Back up the phone memory
Start a file manager on your computer.
Go to the required folder in your computer's or mobile phone's file system.
Highlight the required file and move or copy it to the required location.