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12
Appendix
Troubleshooting
Problem
The phone does not
turn on.
"Invalid or missing
SIM card. You can
still make
emergency calls if
your service
provider supports
it" displays.
210
Solution
The battery is completely
discharged. Recharge it
fully.
Check that the SIM card has
been correctly installed.
Problem
Solution
The bars next to
• If you have just turned on
disappear.
• If you are in a tunnel or in
• This may appear when
The phone does not
Remove the battery from
work properly or
the phone and insert it back
does not work at
into the phone. Turn it on
all.
again.
Reset your phone.
your phone, wait about 2
minutes, until your phone
finds the network and
receives a signal from the
network.
an elevator, the phone
may not be able to
receive the network signal
properly. Move to an open
place.
you move between
different service areas. It
is normal.
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