Before buying an unlock code make sure your phone is locked. in most cases if you realize that your phone is unlocked after buying the code, no refund will be issued. some of the samsung galaxy s3 models, android version 4.3, have to be downgraded to a previous android version (4.1 or 4.2) for the unlocking code to work.. All verizon galaxy s3 and newer are factory unlocked right out of the box. easiest way to upgrade to 4.3 is to download samsung kies on your pc and hook your phone to it. i run a cell phone shop and we see these phones daily.. Unlock your samsung galaxy s3 mini to use with another sim card or gsm network through a 100 % safe and secure method for unlocking. just simply select your phone manufacturer as samsung, select the network of your samsung galaxy s3 mini is locked to, enter phone model number and imei number..
Source: unlock code for samsung galaxy s3 i747 sometimes there is not a universal unlocking codes on mobile phones. even though you have all of the specific details of the model, does not guarantee that it will unlock it if you get one through just general inquiry.. Is anyone going to answer this. i have a galaxy s3 also and want to change carriers and need to unlock my phone. so, will verizon please answer.. Unlock code for samsung i747d galaxy s3 phone unlock your samsung sgh-i747d galaxy siii cell phone locked to any service provider using unlock code and phone's imei number. unlocking code is delivered directly to your email within several hours..