Read help info
You can update the phone's software when a new software version is available.
Before updating your phone's software, it's recommended that you back up the phone memory. Click here for information on how to back up the phone memory.
You need to set up your phone for internet to use this function. Click here for information on how to set up your phone for internet.
Find "System updates"
Update phone software
Follow the instructions on the display to update your phone's software.