Problems
Reasons
Solutions
Problems
Reasons
Solutions
•
It is a regional problem due to
poor network trunk quality.
•
Line quality is poor in certain areas.
•
The standby time of your battery
varies depending on the system
configuration of your network.
•
You need to replace the battery with a new one.
•
The standby time will be shortened when
your phone cannot receive signals, when
it continuously emits radio signals to
search for a base station, consuming a
lot of your battery's power.
•
Your battery is exhausted.
•
SIM card damaged.
•
You have inserted the SIM card incorrectly.
•
Metallic surface of your SIM card
is dirty.
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Troubleshooting
I hear echo or
noise.
My battery didn't
last as long as I
expected.
I cannot turn on my phone.
SIM card error
Hung up and dial once again. The
trunk may distribute a better line for
your call.
Turn off your phone in areas with
poor network coverage.
Replace a new battery.
Move to an area with more strength-
ened signals or turn off your phone
temporarily.
Recharge your battery.
Contact your network operator.
Make sure the SIM card is inserted properly.
Clean metallic contacts of your SIM
card using clean cloth.
I cannot connect
my phone to the
network.
I cannot transmit
messages.
I cannot make a phone call.
PIN error
I cannot charge
my battery.
I cannot enter new
entries into my
Address Book
I cannot config-
ure certain func-
tions.
•
SIM card invalid
•
Out of the GSM coverage
•
Signal is weak
•
Your network operator does not
offer the service.
•
The call barring function has been enabled.
•
You have entered three incorrect PIN codes in series.
•
The voltage is out of the rated
range of the charger.
•
You use a nonstandard charger.
•
Poor contact
•
The Address Book or the dynamic
memory is full.
•
Your network operator does not
offer these functions or you have
not subscribed for them.
Contact your network operator.
Contact your network operator for details on the service area.
Move to an area with strengthened signals and try again.
Contact your network operator.
Disable the call barring function.
Contact your network operator.
Use voltage falling within the rated
range of the charger.
Use a special charger designed for
A760.
(For example, SPN5052X
series, X may be A, B...).
Make sure the plug is securely connected.
Delete some of your Address Book
entries or remove some other data.
Contact your network operator.
Troubleshooting