Sony XPERIA C Compact Instruction Manual page 221

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.
If the update failed and all operations become
･
disabled, please contact a DOCOMO-
specified repair office.
Messages (SMS) sent while updating are
･
stored in the SMS center.
Performing update may take time.
･
Updating is unavailable in the following cases.
･
- During a call
- When (out of service area) is displayed
圏外
- 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
- When the basic software is altered illegally.
Exit from all applications before performing
･
update.
Upgrade Android software with the battery
･
fully charged.
Do not turn off the terminal while updating.
･
Stay in a place with strong radio wave
･
condition when downloading. The update
may be canceled if the radio wave condition
is not good enough.
If an update is not needed, "No upgrade is
･
needed. Use it as it is. " appears.
For update available period, refer to NTT
･
DOCOMO website.
219
Appendix/Index