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You can back up the phone memory to ensure that no data is lost when you update your phone's software or if you lose your phone.
1. Connect phone and computer
Connect the data cable to the socket and to your computer's USB port.
2. Back up phone memory
Start the program Xperia™ Companion on your computer.
Click the required data types to select them.
Click the field below "Password" and key in the required password.
Click the field below "Confirm password" and key in the password again.
Click Next and wait while the phone memory is backed up.