60Appendix■ Updating through microSD CardChoose "Updates by SD card" when you want to use amicroSD card for software update.• To carry out a software update, connect the product toa PC (P.54), and download the update software fromthe manufacturer's site to a microSD card by the PC.For more information, refer to the manufacturer's site.• After the software update is completed, manuallydelete the update software downloaded to yourmicroSD card (the software can be safely removedonce the software update has completed normally).• "Updates by SD card" cannot be done in the followingcircumstances.- When the battery level is too low for software updateConfirming updateCheck whether the software update is available for theproduct.• "Confirmation of update" cannot be done in thefollowing circumstances.- When outside service area- Airplane mode- When the date / time are not correctly set1 From the Idle screen, tap ` "Settings" `"About phone" ` "Software update".2 Tap "Confirmation of update".The confirmation starts.Automatically Software Update (Autoupdate)You can regularly check the update informationautomatically, and check whether you can upgrade theversion. For the latest software information, refer to themanufacturer's site.1 From the Idle screen, tap ` "Settings" `"About phone" ` "Software update".2 Check the box of "Auto update".Notes• "Auto update" is not set by default.• The product cannot automatically check the updateinformation when the "Auto update" is not set, during datacommunication for an immediate software update, etc.■ Operation when an update is available"Software update" screen appears when an update isavailable.■ Starting the software update immediatelyTap "Now" and follow the instructions on the screen.• Software update cannot be done in the followingcircumstances.- When outside service area- During international roaming- Airplane mode- When the USB cable is connected and mounted- When the "USB tethering" is being used- When the "Portable Wi-Fi hotspot" is being used- When the date / time are not correctly set- When the battery level is too low for software update- When there is insufficient free space in the microSDcard for software updateNotes• After restarting by your operation, the product automaticallyrestarts again.• If you tap "Later", you can update later. From the Idle screen,tap ` "Settings" ` "About phone" ` "Software update" `"Update now".