■ Software can be upgraded using PC suite.
How to setup
■ Method for Upgrade Check
1. Connect PC Suite and device with a USB cable.
2. Select name of the phone in Device, then tap and click ‘Upgrade Check’ on the lower right corner.
3. If an upgrade is available, a window will pop up.
4. Follow procedures to continue upgrade.
5. Select whether to back up or not before upgrade.
6. Wait until upgrade is complete.