the golden contacts of the SIM card by using a dry
cloth. If it still is not working, please contact your
network carrier.
No service
If you are in an area not covered by your network, or if
a physical obstacle is present, such as in an enclosed
area, the message “No service” will be displayed on
your Standby screen and you will not be able to make
or receive calls. You can try move closer to a window
for better reception.
For emergency only
When you are outside your network but inside other
network, you can only make emergency call.
No Valid SIM card
Your SIM card is locked or it has an error. Please
insert the right SIM card or contact your service
provider.
Enter PUK code
After three consecutive incorrect PIN code entries, the
code is blocked, and you need the PUK code to
unblock it. Contact your service provider. After seven
consecutive incorrect PUK code entries, the SIM card
cannot be used any more. Please contact your service
provider to buy a new SIM card.