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Before updating your phone's software, it's recommended that you back up the phone memory to ensure that no data is lost. It can also be useful to back up the phone memory regularly to ensure that no data is lost in case of defects and crashes. Follow these instructions to back up the phone memory.
Before you can back up the phone memory, you need to install the program HTC Sync on your computer. You can download the program from www.htc.com
1. Select setting for USB connection
2. Turn off USB debugging
3. Connect phone and computer
4. Back up phone memory
Wait while the program establishes a connection to your phone.
Follow the instructions on the screen to select settings for the required data types.