3
3.3
Security Password
3.3.1 PIN
PIN (Personal Identification Number) is used to prevent your SIM card from being used illegally. PIN is usually
provided with SIM card together. If you input wrong PIN for continuous three times, please input PUK to unlock it.
3.3.2 PIN
2
You need to input PIN2 when entering some functions (such as call charge); if you input wrong PIN2 for continuous
three times, you need to input PUK2 to unlock it. Please contact with network Operations Company for more details.
3.3.3 PUK
When changing the locked PIN, you need to input PUK (Personal Unlock Key). PUK is provided with SIM card
together. If it is not provided, please contact with your service provider.
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