Software Update - Sony XPERIA XZ2 Instruction Manual

Software Update

Software Update
Software update is a function to connect to
the network to check if software update is
required, then download the update file and
install it as required.
When update is needed, you can check
(Software Update) in the status bar or
information on the NTT DOCOMO website.
Software update includes the following, etc.
To use the terminal in safety and more
comfortably, be sure to update to the latest
version.
Improving and adding functions
･
Operability enhancement
･
Improving quality
･
Security patch update
･
❖ Information
Updating can be done with data saved to the
･
terminal; note that data may not be always safe
depending on the conditions of your terminal (such
as malfunction, damage, or water leak). DOCOMO
recommends backing up necessary data in advance.
However some data may not be backed up.
Notes
When the software is updated, restoring the
･
previous software is not possible.
When performing update, the private
･
information concerning the terminal (model,
serial number, etc.) is automatically sent to the
server of DOCOMO. DOCOMO does not use
the sent information for purposes except
software update.
For using packet communication via Xi/
･
FOMA, communication charge is not applied
for downloading.
For the update using packet communication,
･
docomo nano UIM card provided at
subscription to DOCOMO is required. For
some updates, subscription to sp-mode may
be required to use packet communication.
Making/Receiving calls, communication
･
functions and other functions are disabled
while installing.
All key operations are disabled while installing
･
and the installation cannot be stopped on the
way.
When the update is complete, the terminal
･
restarts.
When the update is performed, some settings
･
are initialized. Make the settings again.
If PIN code is set, PIN code entry screen
･
appears while the terminal is restarting after
the rewriting process. Enter PIN code.
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Appendix/Index