Those who own a Samsung handset, such as the Samsung Galaxy Note 3 or the Samsung Galaxy Note 4 will be happy to hear about an unlock thanks to code of engineers that has leaked. When the device is unlocked it can be used with any SIM card anywhere around the globe.
Say for instance you bought the Samsung Galaxy S3 with a contract on Verizon. The device will be locked to them, but once it has expired it can be used with any carrier.
To begin the unlock you need to remove the SIM card from the device and put one in from another carrier. Turn off the device and then turn it back on again.
Go into the dial pad and type in *#197328640#. Go to your main menu > [1] UMTS > [1] Debug Screen > [8] Phone Control > [6] Network Lock > Options [3] Perso SHA256 OFF. Wait for 30 seconds or a minute before going back to your main menu and choosing “back”. You will now see a “Network Lock” message. Choose [4] NW Lock NV Data INITIALLIZ.
If you typed in the sequence right, it should read: “Asterisk Pound One Nine Seven Three Two Eight Six Four Zero Pound”. Remember that some people call the asterisk “star”, and the pound button “hash”.
Your Samsung Galaxy device should now be unlocked and you are free to use it with whatever carrier you want.
