Updating the phoneYou can update the software in your phone to take advantage of software improvements and new features.Note• Fully charge the battery before updating the phone.• We recommend connecting the phone to a power source while updating.• Back up all necessary data before updating the phone. Certain types of data, such as downloadeddata, will not be retained after updating the phone.• Certain settings will be reverted to the factory default values after the phone is updated. Configurethese settings again as necessary.• The phone cannot be used while updating. All apps and features, including making or receiving calls,using communication features, etc., will be unavailable.• You cannot update the phone in the following situations:– When you are on a call– When aeroplane mode is turned on (“Turning aeroplane mode on and off” (page 19))– When tethering is turned on (“Configuring the phone as a Wi-Fi hotspot” (page 27),“Using USB tethering” (page 69))– When the date and time settings are incorrect (“Setting the date and time” (page 18))– When the battery level is not sufficient for software update• Some third-party apps may not function properly after the phone is updated.• Once the phone has been updated, you cannot revert to an older version of the software.• If an error occurs while updating the phone, contact your regional Panasonic representative.(Contact information can be found on the included Warranty Card.)Downloading updates wirelesslyWhen software updates have been released for your phone, you can download them wirelessly.Note• This feature requires an Internet connection.• To avoid additional data transmission charges, we recommend using a Wi-Fi connection to downloadupdates.Checking for updates automatically1. From the Home screen, tap ® [Settings].2. Tap [About phone] ® [Software update] ® [Update from server] ® [Settings].3. Turn the [Auto search] checkbox on or off.• When the checkbox is turned on, the phone will connect to the network automatically at the presettime and search for updates. When the checkbox is turned off, the phone will not search for updatesautomatically.4. Tap [OK].Checking for updates immediately1. From the Home screen, tap ® [Settings].2. Tap [About phone] ® [Software update] ® [Update from server] ® [Software update].3. Tap [Yes] to check for updates immediately.• Tap [No] to cancel.• Information about any available updates is displayed.4. Follow the on-screen instructions.User Guide 77Updating the phone