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Sim Unlock Android Phones without Code: 2 Ways to Remove Android Sim Lock

Selena Lee

Apr 02, 2026 • Filed to: Screen Lock Removal • Proven solutions

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Many Android phones are locked to a specific carrier, which means the device cannot work with SIM cards from other mobile networks. This restriction is known as a SIM lock or network lock.

If you are searching for ways to bypass SIM lock, remove SIM lock Android, or learn how to remove SIM lock without code, there are several methods available. Some tools allow users to unlock a network locked phone directly on the device without needing a PC or unlock code.

In this guide, we will explain two practical methods to perform an Android SIM unlock without using a SIM network unlock PIN. Each method includes clear steps, screenshots, and the advantages and limitations you should know before unlocking your device.

Part 1: Bypass SIM Lock Android Using GalaxSim Unlock

Before learning how to unlock an Android phone without code using GalaxSim Unlock, it is helpful to understand how this tool works. GalaxSim Unlock is a popular application designed to bypass SIM lock and remove carrier restrictions on supported Android devices.

The app is widely used for Samsung Galaxy devices such as Galaxy S, S2, S3, and some S4, as well as Galaxy Tab and Note models. Once the SIM lock is removed, users can insert a different SIM card and connect to another mobile network.

Now we are going to show you howto use GalaxSim Unlock to unlock an Android phone without code. Follow up the following steps and unlock the SIM on your Android.

Step 1. Download and Install GalaxSim

What we have to do first is to visit the Google Play Store to download Galaxsim and install it on the Android phone we want to unlock.

galaxsim unlock-Download and Install GalaxSim

Step 2. Launch Galaxsim Unlock

In this step, we have to open Galaxsim by tapping on its icon. You can easily find its icon on your Android phone.

galaxsim unlock-Launch Galaxsim Unlock

Step3. Check Status and Unlock

Once Galaxsim is opened, you have to give your permission to run it onthe device. It will show you the status of the Android phone if it is locked ornot as in the screenshot. Viewing the status,you have to click on Unlock to start the process.

galaxsim unlock-Check Status and Unlock

Step4. Phone Unlocked

You will get your phone unlocked now in a moment as shown in the screenshot below. Now you have successfully unlocked your phone and can use another sim for sure.

galaxsim unlock-Phone Unlocked

Pros

  • User-friendly and easy to use
  • Provides detail information of the lock status
  • Allows you backup EFS data and restore on Google Drive or Gmail for free.
  • Supports most phones from Galaxy Family·
  • Compatible with phones previously unlocked with "voodoo unlock"or "galaxy s unlock."
  • Persistseven after reset / flash / wipe / unroot
  • Also, detects errors such aslost IMEI/Serial in nv_data by using other apps
  • No need of Code for unlocking

Cons

  • Needs in-app purchase
  • May not support some phones
  • All features are not free to use

Part 2: Remove SIM Lock Android Using Galaxy S Unlock

How to Remove SIM Lock on Android Without Code

Many users search for solutions such as how to remove SIM lock on Android or how to unlock network locked phone without PC. In most cases, SIM unlocking apps work by modifying the phone’s network configuration and removing the carrier restriction.

These tools are commonly used when users cannot obtain a SIM network unlock PIN from their carrier. However, compatibility varies depending on the Android model and software version.

GalaxyS Unlock is a smart SIM unlocking application developed for Android devices. Like Galaxsim, it also doesn’t use any unlocking code yet, can easily unlock your Android phone. It helps you unlock any Galaxy S, Galaxy S II, Galaxy Tab and Note phone.

To use this application,you can follow these simple steps.

Step 1. Download and Install

At first, you have to download Galaxy S Unlock from the Google Play Store using this download link.

galaxy s unlock-Download and Install

Step 2. Open Galaxy S Unlock

After installing, open Galaxy S Unlock on your phone. It will ask you to save the EFS file before unlocking.

galaxy s unlock-Open Galaxy S Unlock

Step 3. Phone Unlocking

This is the last step and your phone will be unlocked. It will also ask you to restart your phone to finish the process. Once it is unlocked, you can restore the EFS data and insert another SIM for using another network.

galaxy s unlock-Phone Unlock

Pros

  • User-friendly and freely available
  • Saves EFS data

Cons

  • Not supporting all android phone

Part 3: Alternative Method: Remove Android SIM Lock Online

If your Android phone is still tied to one carrier, using another SIM card may continue to trigger a network restriction message. In that case, an online service can be a more practical option than relying only on older unlock apps or searching for a SIM network unlock PIN.

Dr.Fone SIM Unlock offers a streamlined way to check your carrier lock details and submit an online unlock request with your device information. This option is especially useful for users who want to switch carriers, remove a network lock, or confirm whether the phone is still restricted before trying other methods.

Tip: Before submitting any request, make sure your IMEI number, country, and carrier are entered correctly. Incorrect device details may delay the unlock process or lead to an invalid request.

Support scope: Available for all phone brands, across Android and iPhone devices, with AT&T supported now and more carriers being added gradually.

How to remove SIM lock online with Dr.Fone SIM Unlock

Step 1. Open the online SIM unlock page

Go to the official Dr.Fone SIM Unlock page in your browser. This is the page where you can start the request and prepare the information needed for carrier unlocking.

open Dr.Fone SIM Unlock page

Step 2. Enter your country, carrier, and IMEI

Choose the correct country and mobile carrier, then input your device IMEI. This helps identify the lock status linked to your phone and ensures the unlock request matches the right device.

enter carrier and IMEI for SIM unlock

Step 3. Review the device information carefully

Before moving on, double-check the carrier and IMEI shown on screen. This step matters because SIM unlock requests depend on accurate device information.

check carrier lock information

Step 4. Submit the unlock request online

Once the information is confirmed, submit the request online. The unlock task will be processed in the cloud, which is helpful for users who do not want to depend on an unlock code or perform complicated operations on the phone itself.

submit SIM unlock request online

Step 5. Check the unlock result

After the request is processed, you can review the result through the email used for submission or through the unlock history page. If the unlock is completed successfully, you can insert a different SIM card and try another network.

check SIM unlock result

Conclusion

Removing a SIM lock allows your Android phone to connect to different mobile networks and use SIM cards from other carriers. In this guide, we explained several ways to bypass SIM lock and remove SIM lock Android without using a network unlock code.

Depending on your device model, tools such as GalaxSim Unlock or Galaxy S Unlock can help remove network restrictions directly on the phone. Always make sure your device is compatible before using any SIM unlock method.

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Dr.Fone SIM Unlock

Check carrier lock status and submit an online SIM unlock request with simple device details.

  • Works for users who want to switch carriers or remove a network restriction.
  • Lets you verify carrier lock information before placing an unlock request.
  • Suitable for Android and iPhone users, with more carrier support expanding over time.
  • No complicated on-device operation required.
Available on Web

FAQs

Bypassing SIM lock means removing the carrier restriction that prevents a phone from using SIM cards from other mobile networks.
You can remove SIM lock on Android using specialized unlocking apps or by requesting an unlock code from your carrier.
Yes. Some Android apps can unlock network locked phones directly on the device without needing a computer.
In most cases, once the SIM lock is removed successfully, the phone remains permanently unlocked and can use different SIM cards.

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Selena Lee

Selena Lee

chief Editor

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