Konka M520 User Manual page 25

2.6.1 Mobile Phone Code
The mobile phone password acts as the phone lock, and is used for
preventing others from using your phone without your permission.
Generally, the password of the mobile phone is supplied with the mobile
phone. The phone password preset by the manufacturer is 1234. If
phone lock is activated, you will be required to enter the phone
password when you switch on your phone.
2.6.2 PIN
PIN (Personal Identification Number, 4-digit to 8-digit) is used to prevent
the unauthorized use of your SIM Card. PIN is generally supplied with
the SIM card by your network operator. If the PIN Check feature is
activated, then you will be required to enter the PIN each time you
switch on your phone. If you enter the wrong PIN three times in
succession, the SIM card will be locked. Please follow the operations
below to unlock it.
1. Enter the correct PUK as prompted on the display to unlock the SIM
card.
2. Then enter the new PIN and press "OK".
3. When you are prompted to enter the new PIN again, enter it and
press "OK".
4. If the PUK is correct, then the SIM card will be unlocked and the PIN
will be reset.
Warning: If you enter the wrong PIN three times in succession, the SIM
card will be locked and you will need to use the PUK to unlock it. PUK
is usually set by the network operator.
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