Sony Xperia 1 IV SO-51C, Instruction Manual

Page: 253 / 282

251 Appendix
■
Bluetooth function
■ External device connection
Phenomenon Cause and handling
The terminal
cannot be
connected to a
Bluetooth
device/A
Bluetooth
device cannot
be found by
search Allow Bluetooth device
(commercially available) to be
detectable and then make pairing
with the device on the terminal. If
you want to cancel a paired device
and then make the pair setting again,
cancel the pair settings on both the
terminal and the Bluetooth device
(commercially available).
→ P.231
Calls cannot be
made from the
terminal when
it is connected
to an external
device such as
car navigation
or handsfree
device If calls are made several times when
the other party does not answer or is
out of service, the call to this number
may be disabled. In this case, turn
terminal off and on.
Phenomenon Cause and handling
An external
device which is
connected via
USB cable A to
C cable etc. is
not recognized • Reconnect the external device.
However, some devices may not be
detected.
•
When moisture is detected on the
USB Type-C jack, automatic
detection of USB device is disabled
and an external device cannot be
recognized.
Check that any waterdroplet is not
on the USB Type-C jack, connect
the USB device, and then tap the
displayed message.
The terminal
screen does
not appear on
the display of
connected
device Use DisplayPort compatible USB
Type-C cable (commercially
available). Otherwise, the screens
cannot be appeared on a display of
connected device.
Error messages
Error
messages
Cause and handling
No service • The terminal is out of service area,
or radio wave does not reach.
Move to a location where radio
wave can be reached.
• The nano SIM card is not working
properly.
Removing and inserting the nano
SIM card again may improve the
problem.
If the problem persists, ask the
contact on the last page to consult.
Mobile
network not
available Install a nano SIM card correctly (P.36)
and move to a location where radio
waves can reach.
Normal calls
restricted by
access control Appears when normal voice call
service is hard to receive because
communication lines are busy.
Calls restricted
by access
control Appears when normal/emergency
voice call service is hard to receive
because communication lines are
busy.
Phenomenon Cause and handling