What are the access codes on Nokia Phones (PIN codes, PUK codes, lock code and restriction code)?
PIN (Personal Identity Number) code for Nokia device, by default it is "0000". The user can also change the default PIN code and assign his own code (limit is 4-8 digits).
PUK(Personal Unblocking Key) code will be asked by your phone when to many attempts of wrong PIN code is entered.To get this code you need to contact your Network provider.
Lock code is used to lock the phone, which provides privacy of the user . It is "12345" by default, and it can be changed by the user.
Restriction code is required to unlock the network lock set by the service provider to prevent their customers switching to other network. To get the code you need to contact the service provider. Or you can get it from online unlocking sites such as Unlocking4free.com .
PIN (Personal Identification Number) codes: PIN code protects your SIM card against unauthorized use. It is asked when you insert the SIM card and boot up the device for the first time. It is 4 to 8 digits long and usually supplied with your SIM card. However, it is recommended to change the original PIN code to your own, the instruction on how to change the PIN code is provided in the user guide or Nokia Web site. UPIN code is usually supplied with the USIM card. The USIM card is an enhanced version of the SIM card and is supported by UMTS mobile phones. PIN2 code is also 4 to 8 digits long and is supplied with some SIM cards, and is required to access certain services. If you enter any of the above PIN codes incorrectly three consecutive times, you need corresponding PUK codes to unlock them. Read more about PUK codes below. PUK (Personal Unblocking Key) codes: PUK code is 8 digits long and is required to change a blocked PIN code. UPUK code is required to change a blocked UPIN code.
