User Manual

Problem Solving
50
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.
2. When your phone shows “PIN”, “PIN2”,
“PUK”, “PUK2”, and “Barring 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.
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.
b. Contact your network service provider for
further detail.
4. Your correspondent cannot hear you.
a. Check that the network signal strength is
normal and try again.
b. Check that the earphone is unmuted.
c. Holding the phone close 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.
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 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.
b. Ensure that the using environment is not in
extreme temperatures. At 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.