Sony Xperia 1 IV SO-51C, Instruction Manual

Page: 250 / 282

248 Appendix
■
Phone call
Applications
cannot be
operated
properly
(applications
cannot be
activated, or
errors occur
frequently)
•
Are there any applications being
disabled? Enable disabled
applications, then retry.
→
P.198
•
Are the permissions for the
application granted?
→
P.61, P.196
Phenomenon Cause and handling
Cannot make a
call even if you
tap Check if you activate Airplane mode.
→ P.190
The ringtone
does not
sound • Is "Ring and notification volume"
set to mute?
→ P.204
• Check if the following functions are
activated.
-Silent mode
→ P.59
-Airplane mode → P.190
•
Is the ring time for Voicemail
service or Call forwarding service "0
sec"?
→
P.116
•
Check if Pick up after in Answering
Machine is set to "0 seconds".
→
P.114
•
Check if you set Call Blocking.
→
P.115
Phenomenon Cause and handling
Cannot call
(Even when
moving,
does not
switch, or
although radio
waves are
enough,
making/
receiving calls
is unavailable.)
•
Turn the power OFF and ON, or
remove and reinsert the nano SIM
card.
→
P.36, P.47
•
Due to the nature of radio waves,
making/receiving calls may be
unavailable even when "not out of
service area" or "
appears on
the display for the radio wave
condition". Move to the other place
and call again.
•
Check if you set Call Blocking.
→
P.115
•
Due to the crossing of radio waves,
at the crowded public places, calls/
mails are crossed and the
connection status may not be
good. Move to other place or call
again at other time.
Phenomenon Cause and handling