Samsung Galaxy A23 5G - Page 137

135
Appendix
Trouble Check and remedy
App does not work
properly (cannot
activate, errors
occur frequently,
etc.).
• Are there any apps being disabled? Enable the
disabled apps and try again. → P.114

Calling
Trouble Check and remedy
Cannot make a call
even though Call
key is tapped.
• Is the nanoUIM card installed to the terminal
correctly? → P.23
• Is the terminal set to Airplane mode? Set the
Airplane mode o󱐯, and retry. → P.98
The ringtone does
not sound.
• Is the "Volume" set to minimum? → P.101
• Is "Ringtone" set to "Silent"? → P.102
• Is the terminal set to Manner mode (Vibrate,
Mute)? → P.101
• Is the terminal set to "Block numbers"? → P.63
• Is the terminal set to Airplane mode? → P.98
• Is the ring time of Voice mail service or Call
forwarding service to "0 second"? → P.65
• Is the Play after of Answering message set to "0
seconds"?
→ P.62
Cannot connect
calls (out of area
does not disappear
even when you
change the
location, or cannot
make/receive a call
even when radio
wave when strong).
• Turn the power o󱐯 and on, or remove and attach
the nanoUIM card. → P.30, P.23
• Due to the radio wave types, making/receiving
calls may be unavailable even in the service area
and even when strong radio wave is indicated in
4 signal marks. Move to the other place and call
again.
• Is the terminal set to "Block numbers"? → P.63
• Due to the crossing of radio waves, at the
crowded public places, calls/mails are crossed
and the connection status may not be good. In
that case, calling sound is played. Move to other
place or call again at other time.
Trouble Check and remedy
Cannot connect to
network.
• Do you use at a place where signal is weak?
• Turning the terminal power OFF and then turning
ON again may work for the restoration. → P.30

Display
Trouble Check and remedy
The display is
dimmed.
• Is the time set on "Screen time out" over? →
P.103
• Do you adjust the brightness of the display? →
P.104
• Is the terminal set to Power saving mode? →
P.112
• Is the battery level low? → P.119

Voice
Trouble Check and remedy
During a voice call,
the other party's
voice is hard to
be heard to or too
loud.
• Do you change the listening volume? → P.61

Mail
Trouble Check and remedy
Mail is not received
automatically.
• Do you set "Sync contacts" to OFF? Set it ON. →
P.73