Hi,when a cell phone is displaying Sim lock.. Two things you willneed to put under consideration.
! The sim card being blocked and it's asking for a Puk number..
! The cell phone being locked and asking for unlock code for the cell phone
When a sim card is being locked,it will ask for a Puk number whch means that you have exceeded the pin number typing it in more than three times.
To get the Puk code to unlock your phone,you will have to contact service provider which is specific for each mobile number.
Puk code does not affect the phone your using,but it affects the Sim card and it unable you to make out going calls. And you will not have access to thing on your Sim card.
To get your Puk code for you Sim card,you can contact service provider located in your area for help.
You can go to any of your service provider outlet stores around your area.Or you can contact them through customer care line..Am sure you know their phone number to contact them.
You can not get a Puk code to unlock your phone from another source except through your service provider service..
While the phone unlock, issues like this involves Unlocking your cell phone...
When you click on wrong pins, and you forget your pin number, the phone will get to a lock mode..
Trying to unlock it manually will not be possible at that time,because your cell phone will be unacceptable..
At this point in time, you will need to unlock the phone..
There are two methods in unlocking the cell phone..
!. Going to a local cell phone repair store around your area..They will help you unlock it..But it will cost you some money to unlock..
!.Also Through the internet. There are some links on the internet..Allyou will need to do is to give your phones IME..number, make and the model of the cell phone...
Below are some links you can use to unlock the cell phone..http://www.unlocker.com.au/
Hope it helped..