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SOS emergency calls
Make sure your phone is switched on and in a service area. In idle mode, input the SOS
number, then press the Dial key. Advise where you are and do not hang up without
permission.
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8 Troubleshooting
Common issue
Reason
Troubleshooting
Using phone in an area where the
network connection is poor, such as
around a tower or basement where
radio wave cannot be sent
effectively.
Try to avoid.
Using cellular phone when network
is busy, such as an on-off duty time,
line busy.
Try to avoid.
Bad connection
Related to the distance of the send
basis of the network.
Ask your operator to provide a
map of your service area.
It is caused by network connection
and it is a regional problem.
Aftersound or
cacophony
Network connection is not good in
some areas.
Hang up and redial the number.
Idle
time
becomes short Idle time is related to network If the phone is in the area where