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