Why should I unlock my Samsung Galaxy J3 Luna Pro? You can use the other domestic and international networks on your Samsung Galaxy J3 Luna Pro by unlocking it, which allows you to use a SIM card from any carrier. To unlock your phone, simply enter an easy-to-enter unlock code as if you were making a call. You can unlock your Samsung Galaxy J3 Luna Pro on your own by following the instructions below. How to unlock the Samsung Galaxy J3 Luna Pro? It is quite easy to unlock the Samsung Galaxy J3 Luna Pro using an unlock code; you do not need any special knowledge or equipment to do this. Please perform the following steps: Well, that’s all. Enjoy your SIM-free or unlocked Samsung Galaxy J3 Luna Pro with all networks worldwide. Notes: