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It is recommended that you back up your personal data before updating your device
software.
Warning:
If you install a software update, you cannot use the device, even to make emergency
calls, until the installation is completed and the device is restarted.
Downloading software updates may involve the transmission of large amounts of data
(network service).
Make sure that the device battery has enough power, or connect the charger before
starting the update.
After you update your device software, the instructions in the user guide may no longer
be up to date.
Update device software using your device
Want to improve the performance of your device and get application updates and great
new features? Update the software regularly to get the most out of your device. You
can also set your device to automatically check for updates.
Select Menu > Settings.
1 Select Phone > Phone updates.
2 To display the current software version and check whether an update is available,
select Current sw details.
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