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Prompt: In order to ensure normal operation of the phone,
please make sure to use the designated charger.
2.4
Security Password
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. Please contact with network
operations company for more details.
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.
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. If
you input wrong PUK for continuous ten times, the SIM card can’t
be used again. Please contact with your service provider to buy
new card. You can’t change PUK. If you lose the code, please
contact with your service provider.