Update of the system software of this unit fails (using computer).
Update cannot be done if the battery charge is low. Confirm that the battery charge remains 60% or more with the battery indicator lamp and then perform update.
Do not press the RESET switch or (Power) button while updating.
Do not do the following while updating.
Insert/Eject a memory card or USB flash drive
Connect to a computer via USB
Connect the USB AC adaptor
Disconnect the USB AC adaptor
Allow access from other users
The wireless LAN indicator lamp blinks amber and red alternately while the system software is being updated.
Update the system software in a location where communication conditions are stable.
Check the usage environment and perform the update again from the beginning.