Sim Unlock Android Phones without Code: 2 Ways to Remove Android Sim Lock
Mar 16, 2026 • Filed to: Screen Lock Removal • Proven solutions
Dr.Fone Basic:
Better Control for Your Phone
Manage, transfer, back up, restore, and mirror your device
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.

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.

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.

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.

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
Tips: Need an AT&T unlock for your phone? With Dr.Fone Online SIM Unlock, you can easily perform an AT&T device unlock completely online—no PC, no software installation required. It supports all AT&T-locked phones across brands and models, allowing you to unlock your AT&T device in minutes and use any SIM card or network worldwide, even directly from your mobile browser.
- Fully online AT&T unlock: Unlock your AT&T device anytime without downloading software.
- All brands supported: Works with Samsung, Google Pixel, Motorola, OnePlus, and more.
- Use any carrier: After unlocking, switch to any SIM card or mobile network globally.
- Mobile-friendly: Perform the AT&T unlock directly from your phone or tablet.
Unlock your AT&T phone instantly and enjoy the freedom to choose any carrier.
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.

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.

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.

Pros
- User-friendly and freely available
- Saves EFS data
Cons
- Not supporting all android phone
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.

Dr.Fone - Screen Unlock (Android)
Unlock Your Android Device in a Flash
- Pattern, PIN, password, fingerprints & face screen lock can all be unlocked.
- Bypass Android FRP lock without a PIN or Google account.

- Unlock mainstream Android brands like Samsung, Huawei, LG, Xiaomi, etc.
- No tech knowledge required, Simple, click-through, process.
FAQs
Dr.Fone Basic:
Better Control for Your Phone
Manage, transfer, back up, restore, and mirror your device

Selena Lee
chief Editor