Updating the software
You can update the software when a system update is released.
IMPORTANT
Check the following before starting the update.
The remaining battery level is sufficient
The unit has available storage space (flick the Start screen to the left, in the All apps list, tap [Settings][System][Storage], and if there is no storage space, make some room for the update)
The date and time are correct
1.
Flick the Start screen to the left, and then in the All apps list, tap [Settings][Update & security][Phone update][Check for updates].
2.
Follow the on-screen instructions.