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Problem
The display is not
clear
White lines
appear on the
display
"PIN code"
appears
"PUK Required"
appears
Description & Solution
In direct sunlight, you may not be
able to see the display clearly. Moving
to a place with different lighting
should solve this problem.
This may happen if you turn on the
device after a long period of disuse,
or after removing the battery without
turning off the device. This is not
related to the device's life or
performance. The display should
correct itself shortly.
• You are using your device for the
first time. You must enter the
Personal Identification Number
(PIN) supplied with the SIM card.
• The PIN check feature has been
enabled. Each time the device is
switched on, the PIN has to be
entered. To disable this feature,
press the Start soft key and then
the More soft key, select Settings
→ More... → Security → Disable
SIM PIN, and enter the PIN.
The PIN code was entered incorrectly
three times in succession and the SIM
card is now blocked. Enter the PUK
supplied by your service provider.
Troubleshooting
145
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