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Upgrade Android software
Upgrade Android software
This function allows you to connect the
network, check if Android software in the
terminal needs to be upgraded, and
download update file to upgrade if
necessary.
Check
(Upgrade Android software) on the
status bar or the NTT DOCOMO website for
available Android software.
The following updates are applied to the
terminal by Upgrade Android software.
Improving and adding functions
･
Operability enhancement
･
Improving quality
･
Security patch update
･
To use the terminal in safety and more
comfortably, be sure to upgrade to the latest
version.
❖ Information
Upgrade Android software 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 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
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