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How to SIM Unlock Your Android Phone or Tablet

It will be a disaster to purchase a new Android when you insert a SIM, but you are not able to use it. Well, that burden has been removed because this article will introduce you to SIM unlock your Android phone or tablet.

android phone SIM locked

Unlocking the SIM does not root your Android phone. It’s simply the process by which you enter a specially-generated code into your phone’s keypad in order to break the restriction placed on the device by the network that shipped it. This enables you to insert a compatible SIM card from a different network and connect to their service.

Part 1. How to Check Your Android Whether is SIM Locked

Not all phones are SIM/network locked. To check whether is SIM locked, you can check the documentation for the device. If the word “unlocked” appears on the initial receipt/invoice, you can be largely certain that it is not locked to a particular carrier.

On the other hand, you can try another SIM card with the phone. If you pop in a SIM from a different carrier and it doesn’t work, it means that it’s locked.

But if you’ve discovered that your Android phone is locked to a particular carrier/network, how can you unlock it? Please read the next part.

Part 2. How to Manually SIM Unlock Your Android Phone or Tablet

If you find that your SIM is locked, here’s a few things you can do to unlock the device.

Ask your Carrier to Unlock your Phone

This is the best option when you want to safely unlock your device. If your Android phone can be unlocked, what you need to do is request the service. But if your Smartphone was bought on a contract, you may need to pay a termination fee to break the contract of you want to unlock the device before the contact term expires. For Smartphones that are not on contract, you have to wait 12 months from the date of purchase and ensure that your bill is paid before the carrier can give you the unlock code.

How to Unlock your Android Phone

To begin with, you need to confirm your IMEI number. In Android, the IMEI number can be quickly found by dialing *#06# or by opening Settings > About phone > Status > IMEI Information. With this 15-digit string handed over, the network should be able to provide you with a PIN code to enable your device to use the new network’s SIM card. Copy this number to a secure location or wrote it down somewhere.


Part 3. How to SIM Unlock Your Android Phone or Tablet by Android SIM Unlock

Android SIM Unlock is designed to unlock the SIM for Samsung Galaxy devices. It eliminates the need for a code to unlock the device, all you need to do is press a button and you can change your carrier SIM. It is fast, reliable and safe to use. It can be used to unlock all Samsung phones, such as Samsung Galaxy S8/S7/S6/S5/S4, Galaxy Note 7/5/4/3, Samsung Galaxy J1/J2/J3/J5/J7, Galaxy Ace, Samsung Captivate, Samsung Infuse, Galaxy Nexus and so on.

Free Download and Install Android SIM Unlock on the computer.

First of all, you need to launch the Android tool kit program on your computer and select “Android SIM Unlock” on the main interface.


Section 1. For Samsung S2~S4, Note 1~Note 3

Step 1.Connect Your Android Phone to PC

Next, connect your Android phone to the computer via an USB cable. Then the program will automatically detect your device and click on “Next” to go on.

Note: Make sure you have enabled USB Debugging mode on your device.

SIM unlock Android phone

Step 2.Enter USB Settings / Diagnostic / Service Mode

Enter USB Settings / Diagnostic / Service Mode on your Android phone by following the instructions on the program interface.

Dial *#0808# or ##3424# or #9090# on your Android phone. Normally one of these will work for your phone. After you input one of the numbers and symbols, the phone will automatically enter USB Settings / Diagnostic / Service Mode.

Then, select DM + MODEM + ADB or UART[*] or CDMA MODEM on your phone. Once your device is set properly, click on “Unlock” button.

SIM unlock Android phone

Step 3.SIM Unlock Your Android Phone

The program will start to SIM unlock your device after clicking the unlock button. Just wait for a few seconds to to finish.

SIM unlock Android phone

Step 4.Restore to Normal on Your Android Phone

Last but not least,your device will need to be set back into normal mode after it’s unlocked. Clicking on the “Restore Mode” to continue.

To restore the device to normal mode, dial *#0808# or ##3424# or #9090# on your Android phone and select MTP + ADB or USB[*] or PDA on the hidden menu.

Finally, your phone will enter normal mode and now it’s successfully SIM unlocked by hitting the “Next” button.

SIM unlock Android phone

Section 2. For Samsung S4~S7, Note 4~Note 7

The SIM unlocking operation for Samsung S3~S7, Galaxy Note 4~7 devices is simpler. But to successfully unlock these devices, please make sure you have rooted your devices first.

Step 1.Connect your Samsung phone to Computer

Connect your Samsung phone to the computer using USB cable after rooting your device. Then the program will automatically recognize your phone. You just click on “Unlock” to start.

SIM unlock Android phone

Step 2.Unlock Your Samsung Phone

Next, the program will automatically SIM unlock your device. No need for a long time, the process will be completed. During the process, your phone will restart once. Please don’t disconnect your Samsung device until it’s unlocked successfully.

SIM unlock Android phone

That’s all. You can successfully SIM unlock your Samsung phone at ease. Security and without any data loss. This is a good helper.

TIPS: Unlock An Android Phone Benefits

The tool works on any carrier
Works on Any android version on any cell phone in the world
You can use the unlock Android phone code tool on lost or stolen mobile phone
Very simple unlock procedure
Works on any windows , MAC , android or iOS version on your device on which you will download the software

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