Unlock Samsung Galaxy Core 2
This is how to Network Unlock your Samsung Galaxy Core 2 cell phone from any GSM network such as Telus, Rogers, Bell and AT&T.
When you insert a SIM card that is not from the original carrier, your device will ask for the "SIM Network Unlock PIN". Simply enter the 8 digit Network Unlock Code we email to you and this will permanently unlock your Samsung Galaxy Core 2 to be used with any GSM carrier.
When you place your order for your Samsung Galaxy Core 2 Network Unlock Code, the Network Unlock Code will be emailed to you once it has finished processing. Once unlocked, your Samsung Galaxy Plus will be permanently unlocked for another GSM Network.
Here's a similar Samsung Galaxy S6 getting unlocked: