Way 4: How to SIM Unlock Galaxy S5 with Your Carrier
Go to the dial pad and input the code "*#197328640#".Get a foreign SIM and put it into Samsung Galaxy S5.To free unlock Galaxy S5 to all networks via a foreign SIM card: Note: Please make sure that the foreign SIM card you are about to use matches the card slot in your Samsung Galaxy. All this can be easily done via a foreign SIM card. Then you should unlock it first to use the device on a different network operator. Your Samsung phone may be locked by the network carrier if it is purchased from this carrier.
Way 3: How to Unlock Samsung Galaxy S5 to All Networks for Free with Foreign SIM Card
How to unlock Samsung Galaxy S5 with Android Unlock? Prior to learning how to use this smart program, ensure that you have backed up your Samsung phone to secure your Galaxy S5 data.