GENERAL MOBILE DST500, User Manual

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PIN code
PIN1 Code : It is the personal identification
number used to enter SIM and able to prevent
others using SIM1 without permission. If the
mobile phone has activated the PIN1 code
protection, when the mobile phone is switched
on, the screen will display “Input PIN”. In the
process of inputting PIN1 code, the screen will
use “*” to represent the input content. While
obtaining SIM, you can obtain its PIN1 code.
PIN2 Code : It is the personal identification
number used for some special functions such as
paid call etc.
PUK Code and PUK2 Code(8-digit)
To change the locked PIN code, you need
to use PUK (Personal Unblocking Key) code. To
change the locked PIN2 code, you need to use
PUK2 code. If these two codes are not provided
together with the SIM cards, ask the local
service provider for them.
Warning: If the PIN code is input wrongly for