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Notes
When Upgrade Android software is
･
performed, restoring the previous Android
software is not possible.
Upgrade Android software with the battery
･
fully charged.
For upgrading using packet communication,
･
docomo nano UIM card is required. For using
packet communication, subscription to sp-
mode is required.
For upgrading via Wi-Fi, docomo nano UIM
･
card is not required.
Exit from all applications before upgrading
･
Android software. Activating applications
while upgrading may interrupt Upgrade
Android software.
Do not turn off the terminal while upgrading.
･
While performing Upgrade Android software,
･
all other functions including making/
receiving calls are unavailable.
Upgrade Android software is unavailable in
･
the following cases.
- During a call
- When
(out of service area) is displayed
圏外
- During International roaming
- During Airplane mode
- Tethering in use as an access point
- When date and time are not set correctly
- When the remaining battery is not sufficient
- When the remaining memory is not
sufficient
- While updating software
Upgrading software may take time.
･
During international roaming or when the
･
terminal is out of service area, "Unable to start
upgrading in an area where Wi-Fi or FOMA/Xi
signal is unreachable" appears.
When Upgrade Android software is
･
performed, some settings are initialized. Make
the settings again.
When upgrading Android software, 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 Upgrade Android software.
If Upgrade Android software failed and all
･
operations become disabled, please contact a
DOCOMO-specified repair office.
216
Appendix/Index
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