Sharp SH-01K

191
Appendix/Index
※When the safe mode is activated, [Safe mode] is
displayed at the bottom left of the screen.
※To deactivate the safe mode, turn the power on again.
y
Back up the necessary data in advance before using the
safe mode.
y
Depending on the widget, it may disappear.
y
The safe mode is not an ordinary activating state and thus
deactivate the safe mode if you want to use in an ordinary
way.
z
Apps do not work properly (e.g. inability to activate them,
frequent errors)
y
Make sure there is no disabled app. Try again after enabling a
disabled app, if any.
☞
P. 147 “Enabling an app”
y
Is the use of requiring function for operating the app allowed?
☞
P. 60 “First things first”
y
Make sure Battery optimization is not carried out.
☞
P. 61
“Battery optimization”

Calling
z
Calls cannot be made
y
Make sure Airplane mode is not set.
☞
P. 152 “More”
z
Ringtone does not sound
y
Make sure the ringtone volume is not set to “0”.
☞
P. 139
“Sound”
y
Make sure the manner mode or Airplane mode is not set.
☞
P. 56 “Manner mode”, P. 152 “More”
y
Make sure call rejection is not set.
☞
P. 83 “Reject call
setting”
y
Make sure Answer time setting is not set to “0 seconds”.
☞
P. 81 “Voice/Answering memo”
y
Make sure the ringing time for Voice Mail Service or Call
Forwarding Service is not set to “0 seconds”.
☞
P. 82
“Network service”
z
Calls are not available ([
] does not disappear even after
moving to another place or calls cannot be made/received even
though signal status is not bad)
y
Turn the power on again or attach the docomo nano UIM card
again.
☞
P. 32 “docomo nano UIM card”, P. 39 “Turning
power on/off”
y
Depending on the signal type, even though status is “inside
the service area” or “[
] (indicating signal status) appears”,
making/receiving a call may not be available. Move to another
place and call again.
y
Make sure the call restriction such as call rejection is not set.
☞
P. 83 “Reject call setting”
y
In a crowded place, heavy telephone/mail traffic may make it
difficult to get a connection depending on how congested the
radio waves are. In this case, a busy tone is played. Move to
another place or call again later.

Screen
z
Display is dark
y
Make sure the light duration of the backlight is not set to be
short.
☞
P. 140 “Display”
y
Make sure brightness of the display is not changed.
☞
P. 141 “Brightness level”
y
Make sure [Automatic brightness] of Brightness level is not
enabled. The brightness of the screen varies depending on
the surrounding light if the setting is enabled.
☞
P. 141
“Brightness level”