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The device prompts you to insert the
SIM or USIM card.
Ensure that the SIM or USIM card is installed
correctly.
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.
• You may be between service areas. You
should receive a signal when you enter a
service area.
You forgot a security code, PIN, or PUK
The default lock code is
00000000
. If you
forget or lose this or another code, contact the
seller or your service provider.
Your display shows white lines
The display may show white lines if you have
turned the device on after a long period of
disuse or if you removed the battery without first
turning off the device. The display should
correct itself in a short time.
PUK
Your SIM or USIM card is
blocked, usually as a result of
entering your PIN incorrectly
several times. You must enter the
PUK supplied by your service
provider.
PIN2
When you access a menu
requiring the PIN2, you must enter
the PIN2 supplied with the SIM or
USIM card. For details, contact
your service provider.
Code
Try this to solve the problem:
Содержание GT-I8910
Страница 2: ...GT I8910 user manual ...