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When the Wi-Fi function or Bluetooth
･
function is not used, turn off the setting.
P.162 , P.201
→
When STAMINA mode is set, the
･
operations and a part of functions of the
terminal are restricted so that the
consumption of the battery power can be
reduced.
P.177
→
Operations are not possible when tapping
or pressing keys.
Check if the power is turned off.
･
Check if you activate the screen lock.
･
P.185
The screen reacts slowly when you tap or
press the keys.
When large amount of data is saved in the
･
terminal or transferring large-size data
between the terminal and microSD card,
the reactions on the screen may be
delayed.
The docomo nano UIM card is not
recognized.
Check if the docomo nano 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",
"Automatic time zone" and "Automatic
24-hour format" are ON 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
P.43
→
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
and hold the power key for at least 1
second with the terminal OFF until
docomo logo appears, and then press
and hold the volume down key for a
while.
When the power is turned on, press and
hold the power key for at least 1 second
P.31
→
u
to restart the terminal in Safe mode.
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.
Touch and hold [Power off]
Appendix/Index
P.43 , P.196
→
u
Tap [OK]
218
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