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troubleshooting
If you have trouble with your device, try these procedures before you contact a service professional.
While using your device, the
following messages may appear:
Message
Try this to solve the problem:
Ensure that the SIM or USIM
SIM Failure
card is installed correctly.
When using the device for the
first time or when the PIN
requirement is enabled, you
Enter SIM
must enter the PIN supplied with
PIN
the SIM or USIM card. To disable
this feature, press <Start> →
<More> → Settings →
Security → Disable SIM PIN.
Message
Try this to solve the problem:
Your SIM or USIM card is
blocked, usually as a result of
PUK
entering your PIN incorrectly
Required
several times. You must enter
the PUK supplied by your
service provider.
Your device does not show a signal (no
bars next to the network icon).
• If you just turned on the device, wait about 2
minutes for your device to find the network
and receive a signal.
• You may not be able to receive a signal in
tunnels or elevators. Move to an open area.
a
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