51
Insert the SIM card properly.
SIM card does not work or is damaged?
Let your network operator replace
the SIM card.
Network connection
cannot be
established:
Poor reception? Embark on an open
place or, if you are in an enclosed
space, near the window.
You are out of range of the cellular
network. For information about the
network coverage, Please contact
your network operator.
SIM card is not valid. Contact your
network provider.
Bad voice quality:
Bad network connection quality on the
part of the operator? Press the stop
button and select again. You will
possibly need to switch to a network
connection or phone line with better
quality.
Poor quality of local telephone line?
Press the stop button and select
again. You will possibly a network
connection or phone line with better
quality.
