User manual

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Appendix/Index
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Software update is a function to connect to the network and
check if software update for the handset is required. If
necessary, download and install update files.
If update is necessary, you will be notified by [A] (Software
Update) on the status bar or you can visit the DOCOMO website
to check the availability of update.
The following contents etc. are included in software update. Be
sure to keep the version up-to-date to use the handset safely and
comfortably.
 Improvement and addition of functions
 Improvement of operations
 Improvement of the product quality
 Update of security patch
■ Precautions
Once the update is completed, you cannot downgrade the
software to the previous one.
When updating software, the information unique to the handset
(model, serial number, etc.) is automatically sent to the
DOCOMO server. Sent information is only used for software
update.
If you use packet communication of Xi/FOMA, the download is
free of charge.
The docomo nano UIM card of DOCOMO subscription is
required to update software via packet communication. If you use
packet communication, subscription to sp-mode may be required
depending on the content of the update.
During installation, making or receiving calls, each
communication function and other functions cannot be used.
During installation, no key operations are available. It is not
possible to cancel installation.
When the update is completed, the handset restarts.
When the update is completed, some settings may be reset.
Re-enter the information or re-specify the settings.
When PIN code is set, the PIN code entry screen appears during
restart after rewriting and you are required to enter PIN code.
If update fails and all operations become unavailable, bring the
handset to a repair counter that DOCOMO specifies.
While updating, sent SMSs are held at SMS center.
Update may take time.
In the following cases, update is not available.
 During a call
 When the handset is not connected to the Wi-Fi and [(] is
displayed
 When the handset is functioning as a base unit during
tethering
 When date and time are set incorrectly
 When battery level is insufficient for update
 When available space on the handset memory is insufficient
 When the basic software is changed improperly
End all apps before installing software.
Fully recharge battery before updating software.
Do not turn the power off during updating software.
It is recommended to download software at a location with good
signal conditions while you are not moving. Software update may
be interrupted if signal is weak.
When software update is not necessary, [No upgrade is needed.
Use it as it is.] appears.
When you update the software, drag the status bar down/select
the notification/[Install] to install the software by yourself.
■ Changing Aut download setting
1
In the home screen, [R]/[Settings]/[About
phone]/[Software Update]
2
[ON]/[OFF] of Auto download
: If Auto download is set to [OFF], carry out the operation of
“When [A] is not displayed on the status bar”.
■ When [A] is not displayed on the status bar
1
In the home screen, [R]/[Settings]/[About
phone]/[Software Update]
2
[Start Update]
: The confirmation screen for updating software is displayed
depending on the content of the update.
3
[OK]/[Install]
When the confirmation screen for updating software is
displayed
1
In the software update screen, [Start Update]
2
Select an item
 Perform now (only via Wi-Fi): Download update files
immediately via Wi-Fi connection.
 Perform at scheduled time (via Wi-Fi/Xi)
*
: Download update
files at the automatically reserved time via Wi-Fi connection
or Xi/FOMA.
* When you cannot download update files via Xi/FOMA,
[Perform at scheduled time (only via Wi-Fi)] is displayed.
: If sp-mode is not set and touch [Perform at scheduled time
(via Wi-Fi/Xi)], the update is not available. Try with Wi-Fi
connection.
Software update
Software update
You can update software even if the handset contains data in it.
However, DOCOMO may not be able to protect data that could
be lost due to malfunction, damage, water exposure and so on.
It is recommended that important data be backed up before
updating software. Note that some data cannot be backed up.
Updating software
If the handset software is the latest, [No upgrade is needed.
Use it as it is.] is displayed.
If the download is interrupted, data downloaded up to that point
is retained for up to 14 days. You can restart the download from
[A] (Downloading update file stopped) on the status panel.
If you select [Perform at scheduled time (via Wi-Fi/Xi)] or
[Perform at scheduled time (only via Wi-Fi)], the time for the
download to start is automatically set. The time cannot be
changed. If you do not want to download at the automatically
set time, [Software Update]/[Back]. Then select [Perform now
(only via Wi-Fi)] and download update files.
[Download now (only via Wi-Fi)], [Perform at scheduled
time (via Wi-Fi/Xi)]
If you select [Download and install] and the download is
finished, the installation automatically starts. Even if you do not
touch [OK], the installation starts after approximately 10
seconds.
Even if you select [Download] and the download is finished, the
installation does not automatically start. When you want to
install update files, you need to start installation by yourself.
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