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no prompt ring tone is
heard.
volume of ring tone.
There is no prompt tone
when the alarm clock has
reached the time.
Please check whether the alarm clock
is enabled or not.
Certain call cannot be
received.
Check whether the number is
restricted in incoming list.
Cannot send short
message.
Please check the network condition.
Other abnormal
phenomenon.
Please first refer to user manual, then
check whether the power is
connected correctly or not, if there
are no problems, please power off
and re-start the phone again.