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The docomo mini UIM card is not
recognized.
Check if the docomo mini UIM card is
･
attached in the right direction.
The clock is not on time.
The clock time may become wrong when
･
the power is turned on for a long time.
Check if "Automatic date & time" and
"Automatic time zone" are marked and
turn the power off and on in a place with
strong radio wave conditions.
The terminal operation is unstable.
Instability may be caused by applications
･
that you installed after purchasing the
terminal. If the symptom is improved
when you boot the terminal in safe mode
(near default state), uninstalling the
installed application may improve the
symptom.
To boot the terminal in safe mode, press
P
and hold
for over a second with the
terminal OFF until XPERIA logo appears,
and then touch and hold the volume
down key. When safe mode is booted,
"Safe mode" is displayed at the lower left
of the screen.
To exit the safe mode, turn power OFF
and then ON.
P.29
→
* Back up the necessary data before using
* Some widgets that you created may be
* Safe mode is not a normal booting state.
Applications cannot be operated properly
P.167
→
(applications cannot be activated, or
errors occur frequently).
･
Phone call
■
Cannot make a call even if you press
button.
･
The ringtone does not sound.
･
･
･
Alternatively, with the power on, press
P
and hold
for over a second
and hold [Power off]
the terminal in Safe mode.
safe mode.
removed.
To use ordinarily, exit the safe mode.
Are there any applications being
disabled? Enable disabled applications,
then retry.
P.157
→
Check if you activate Airplane mode.
P.146
Is "Ringtone & notifications" in Volumes
set to silent?
P.153
→
Check if the following functions are
activated.
- Silent mode
P.41
→
- Airplane mode
P.146
→
Is the ring time for Voice mail service or
Call forwarding service "0 sec."?
u
Touch
u
Tap [OK] to restart
→
P.79
→
193
Appendix/Index
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