April 5, 2014

A Simple Guide to Unlock SIM on Galaxy S3 and Note 2

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Have you ever thought - how much bad you will feel after purchasing expensive Smartphones when you will see that you are unable to make connection in a few countries or network providers?

I hope you are thinking now that i am joking, but i am not joking it's true. In few countries most of the Android phone comes with an inbuilt SIM lock feature which prohibits the use of a Smartphone in few particular countries and particular network providers. This is the reason some of the android users are feeling very disappointed and looking for a simple way to unlock SIM on their Android device.

A Simple Guide to Unlock SIM on Galaxy S3 and Note 2
Image credit: Droidviews.com
If you are also one of them who want to Unlock SIM on your android phone then this step by step tutorial will help you a lot. Here i am going to explain how to unlock SIM on Samsung Galaxy S3 and Samsung Galaxy Note 2 without rooting.  

After unlocking SIM you will be able to operate your SIM in all countries or operators freely. The unlocking process is very simple and it will take only a few minutes to unlock your phone.


The tips and tricks mentioned below works on all the T-Mobile, Canadian Galaxy S3 and Galaxy Note 2. Even, it has been tested swimmingly on the following devices and works smoothly on all:
  • Rogers Note 2
  • Bell Galaxy Note 2
  • Wind Mobile S3
  • Bell Galaxy Rugby LTE
  • Wind Mobile Note 2
  • Mobilicity Note 2 
  • Bell Galaxy S3 
  • Rogers Galaxy S3
  • Koodo Galaxy S3 
  • Telus Galaxy Note 2 
  • Telus Galaxy S3 
  • Mobilicity S3 YMMV 
Important Note: We have tested this method on Android 4.1.1 and Android 4.1.2 version. So, if you have the android of higher version then firstly downgrade your device with the lower version and after that try this guide.


How to Unlock SIM on Samsung Galaxy S3 and Note 2

Step (1): At first, open the dial-pad on your android phone and dial the code *#197328640# once.

Step (2): Now you will be able to see the Service menu on your android phone screen. From the service menu, you have to select the UMTS option.

Step (3): After that, you have to tap on Debug Screen and select Phone Control option on the next screen.

Step (4): Next, tap on Network Lock option and select Perso SHA256 OFF.

Step (5): After this action, you have to wait for about 30 seconds and then go one step back by tapping the Menu button or by selecting the Back option on the device screen.

Step (6): Now, select NW Lock NV Data INITIALLIZ and Wait for about 60 seconds.

Step (7): You are done! Reboot your Android phone and enjoy.

Now your SIM is unlocked successfully and you are free to use you Android device in all countries or with the other operators. Give a try and share your view with us via comments. 


Looking for more useful step by step how to guides, tutorials, related to Android and Android apps then check out our Android tips section.

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