
■
Bluetooth function
Symptom
Check item
Cannot connect/
find Bluetooth
devices by device
search
• Bluetooth device (commercial product)
must be registered on this mobile phone
with the device in wait state. To remove
a registered device and then register
again, remove each other on both of
the Bluetooth device (commercial
product) and this mobile phone in
advance (
Z
Cannot make calls
from this mobile
phone with
external device
such as car
navigation system
and hands-free
device connected
• If you try to make a call to the same
number several times while the other
party does not answer because he/she is
out of service area, etc., it may become
impossible to call to the number. In such
case, turn the power of this mobile
phone off and on again (
Z
Error Messages
Error message
Description/Action
Unable to backup
because battery is
low. Please
charge battery
and try again.
• This appears when you have attempted
to start docomo backup (SD card
backup) under low battery conditions.
Charge the battery sufficiently, and then
try the operation again (
Z
Memory space is
decreasing
• The mobile phone has insufficient free
space. If you use the mobile phone in
this state, certain functions or
applications might not operate. Under
[Settings], select [Apps] to select and
uninstall any applications that you do not
need.
Enter SIM PIN
• This message appears if you have set a
PIN code. Enter the correct PIN code.
This SIM card is
not readable
PUK code has
been locked.
• The SIM card is locked with a PIN
unblocking key. Contact a docomo Shop.
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Appendix