Справочник Пользователя для DBTEL DB-2068C
Problem Solving
Problem Solving
Problem Solving
1. When you switch on your phone,
“Insert SIM card” is displayed
a. Check that the SIM card is correctly
installed.
b. Ensure that the gold chip is not
damaged or scratched.
c. Check the SIM card contact. If they are
dirty, clean them with an antistatic
cloth.
cloth.
2. When your phone shows “PIN”,
“PIN2”, “PUK”, “PUK2”, and “Barring
code”.
code”.
a. Please contact your network service
provider for the numbers.
b. Enter the wrong PIN code three times
in succession, the SIM card will be
blocked.
blocked.
c. For the PUK code, check with your
network service provider.
3. No connection to network.
a. Check the signal strength meter in the
display. If the signal is weak, move to
an open space or move closer to a
window and try again.
an open space or move closer to a
window and try again.
b. Contact your network service provider
for further details.
4. Your correspondent cannot hear you.
a. Check that the network signal strength
is normal and try again.
b. Check that the microphone is
unmuted.
c. Holding the phone closer to your
mouth.
5. The battery won’t charge
a. Check that the charger is properly
connected.
b. The message “Charging” will only be
shown when you charge the battery
with the handset switched off.
with the handset switched off.
6. You can’t make calls.
a. Check the signal strength meter in the
display. If the signal is weak, move to
an open space or, if you are in a
an open space or, if you are in a
building, move closer to a window.
b. The network is busy, please try again
later.
c. Check whether has the call charge
limit been reached.
7. The battery drains faster than normal.
a. Check whether are you in an area of
variable coverage. This uses extra
battery power.
battery power.
b. Ensure that the using environment is
not in extreme temperatures. At
extreme hot or cold temperatures,
battery performance is significantly
reduced.
extreme hot or cold temperatures,
battery performance is significantly
reduced.
8. The LI-ION battery was being charged
overnight.
It is strongly recommended that not to
charge the battery for more than 24 hours.
It may decline the battery performance or
cause damage to the battery.
9. The headset starts beeping.
The signal is weak or out of coverage.
charge the battery for more than 24 hours.
It may decline the battery performance or
cause damage to the battery.
9. The headset starts beeping.
The signal is weak or out of coverage.