Verykool i601 - Manual (Page 19)

6.3.6 Animation effect
Power on display: You can select the preset
animation or others as the Power on animation for
your phone.
Power off display: You can select the preset
animation or others as the Power off animation for
your phone.
6.4 Security settings
In order to secure the information, you can set PIN code,
PIN2 code, power-on password and Mobile tracker function.
6.4.1 PIN
PIN code is the personal identification number for SIM card. If
never be modified, the initial password set by network
operator should be 1234 or 0000. If activated the power-on
PIN code, then you have to input the PIN password each time
you switch the phone on. You can modify the PIN code to
prevent your SIM card being used by others.
Caution：
If you input your PIN code incorrectly three times in
succession, the SIM card will be locked automatically,
and prompting to enter PUK code to unlock it. Therefore,
please do remember the PIN code, if you modify it.
PUK code (PUK1) is made up by 8 digits, unmodifiable. When
the phone is locked by PIN code, please enter correct PUK
code to unlock the phone. If you incorrectly input the PUK
code ten times in succession, then the SIM card cannot be
used any more. Some PUK codes are provided together with
the SIM card, some should be gained from the network
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