How to Unlock Samsung Galaxy S3 (Mini) ?

No matter you need to unlock the screen or SIM unlock Samsung Galaxy S3, this article provides 4 proven ways to unlock Samsung Galaxy S3 (Mini) step by step.

• Filed to: Android Unlock • Proven solutions

Samsung is a brand that has a huge history in the tech industry. It’s famous for user experience, design and performance. But when it comes to security, though it may seem that Samsung phones are very secure, they can still be unlocked. If you are locked out of your Samsung Galaxy S3 (Mini), then there is no need to panic at all. If you are trying to unlock your phone or you are traveling somewhere so you want to use a local sim card in your Samsung Galaxy S3 (Mini), then you need to read this article.

It doesn’t matter if you want to unlock the screen or you want to sim unlock the device you will find both solutions in this article. In this article, you are going to learn the best 4 ways to unlock Samsung Galaxy S3 (Mini) easily. You will be able to unlock your Samsung Galaxy S3 (Mini) without data loss, you can unlock Samsung S3 screen and you will also learn how to manually Sim unlock your phone in no time.

Part 1. How to unlock Samsung Galaxy S3 without data loss?

If you need to unlock Samsung Galaxy S3 screen without password, you can easily unlock S3 without data loss by using dr.fone - Screen Unlock (Android). This is a great toolbox that can remove any types of Android screen lock without losing any data. No matter what is the reason, it doesn’t matter because this amazing software can unlock your Android phone within 5 minutes.


dr.fone - Screen Unlock (Android)

Unlock Samsung Galaxy S3 Without Password in 5 Minutes. No Data Loss.

  • Remove any types of Android screen lock, including password, pattern, PIN, Fingerprint, etc.
  • Simple phone unlocking process. No technical skills required.
  • Supports to bypass lock screen on LG G2/G3/G4 and Samsung Galaxy S/Note/Tab series.
  • User friendly and easy to use system will be comfortable to use.
2,985,172 people have downloaded it

Here is how to unlock Samsung Galaxy S3 without data loss.

Step 1. You need to download, install and launch the software on your computer. Then click on the “Unlock” option from the main interface.

unlock samsung s3 using iskysoft toolbox

Step 2. Then connect your Samsung device to your computer by using a USB cable and click on “Start”.

start the unlocking process

Step 3. Next, you will get an interface like below, where you need to choose your phones brand, name and model. Select this information properly otherwise your phone can be damaged internally.

choose device information

Step 4. Now click on the “Confirm” button from the right corner and a pop up will appear in your PC screen. You need to type in “confirm” on the box and click on “Confirm” button again.

confirm to proceed

Step 5. Then you need to follow the on-screen instructions to enter into the download mode in your Samsung device.

enter the download mode

Step 6. After your device enters the download mode, the software will automatically download the recovery package in your device. You need to wait until the process finishes.

Step 7. After the downloading finishes, the software will start the unlocking process immediately. Then your device will reboot after the software unlocks your device.

samsung galaxy s3 lock screen removed

Part 2. How to unlock Samsung S3 screen with Find My Mobile?

The “Find My Mobile” is a feature that comes with every Samsung smartphone. With the help of this feature, you can easily find your Samsung device if you have set up your Samsung account before. It’s really easy if you can follow a proper guideline and you will get that guideline from this part. Here is how to unlock a Samsung s3 screen by using “Find My Mobile” –

  1. First you need to visit this link – ( and log in by using your Samsung account login information.
  2. Then you need to find an option that says “Unlock My Screen” and click on it.
  3. Next you need to provide a new pin on the blank box and click on the “Unlock” button to proceed.
  4. Within a very short time, your Samsung device password will change and you will be able to unlock your device by using the new pin you have just set through Find My Mobile system.

unlock galaxy s3 with find my mobile

Part 3. How to manually SIM unlock GSM S3?

Manually SIM unlocking a Samsung GSM S3 is a little bit of complicated method than the others. But a proper guideline can walk you through the process like a pro. It’s really easy and there is nothing much to do if you can follow the guideline from here. Here is what you need to do for manually SIM unlock GSM S3 –

  1. You need to check if your phone is really locked or not. Try using any other operator’s SIM to confirm that your Samsung Galaxy S3 is locked.
  2. Then you need to check your Android version because this process works successfully only on Android 4.1.1 or later versions. Go to “Settings” menu and choose “About Device”. Then check your phones Android version.
  3. If your device is not updated, you can update it going to the same option “About Device” and select “System Updates”. Then choose “Check for Updates” and your phone will automatically look for any update available.
  4. Next you need to open the dialer of your device and type in *#197328640#. This will open the “Service Mode” menu.
  5. From the “Service Mode” menu, you need to choose the first option that says, “[1] UMTS” Tap on that option to select it and proceed.

manually sim unlock s3 unlock s3 with secret code choose umts

  1. Next choose “[8] Phone Control” option. Then choose “[6] Network Lock.
  2. From the “Network Lock” option, you need to choose “[3] PERSO SHA256 OFF” and wait for at least 30 seconds. Then you need to press the menu button and choose “Back”.

choose network lock perso sha256 option

  1. After you go back to the main menu, you need to choose “[4] NW Lock NV Data INITIALLIZ” option.
  2. Finally when you choose “NW Lock NV Data INITIALLIZ”, wait for at least 1 minute and then restart your Samsung device.

Part 4. How to network unlock S3 through carrier?

If SIM unlocking or any of the methods doesn’t seem fit to you than you have an easy option to network unlock your Samsung Galaxy S3 through your carrier. It’s really easy and simple. There is nothing much to do so here is how this method is going to work for you –

  1. You can contact your service provider and request an unlock code by providing them all the necessary information. You need to pay all the bills of your phone completely for this. You may also need to explain to them if you are traveling abroad, so you will need to use a local SIM card.
  2. After receiving your unlock code, shut down your Samsung S3 and remove the old SIM card from it. Then insert the new SIM card in your phone.

unlock samsung s3 through carrier

  1. Now turn your phone on and when your phone tries to connect to the new network, it will ask you the unlock code.
  2. Finally you need to type in the code correctly and your phone will connect to the network automatically. Make sure that you provide the correct code at the first attempt because failing at too many attempts will completely lock your device.


Getting locked out of your Samsung Galaxy S3 (Mini) is not a pleasant experience at all. Not only Samsung Galaxy S3 users but also it happens to almost all of us. So if you don’t know how to unlock Samsung Galaxy S3 (Mini) device, then you have come to the perfect place. You will be able to learn the best 4 ways that can help you to master the unlocking process of Samsung Galaxy S3 from this article. These step by step guidelines will allow you to learn them easily and become a pro for future needs. If you don’t know which way will be perfect for you then you can close your eyes and choose the first method of here because the best way to unlock your Samsung Galaxy S3 is by using dr.fone - Screen Unlock (Android). Start using this tool and you will understand why it is the best tool for this.


staff Editor

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