
Samsung A21/A21s FRP Bypass: The Complete Guide
Mar 31, 2025 • Filed to: Remove Screen Lock • Proven solutions
If you find yourself locked out of your Samsung A21 or A21s, it can be quite frustrating. Many users experience this issue due to Factory Reset Protection (FRP). This security feature is designed to keep your device safe but can create obstacles if you forget your credentials. That's why the Samsung A21s FRP bypass is crucial for regaining access.
What's the good news? Dr.Fone - Screen Unlock (Android) is a helpful tool that simplifies the bypass process. This article aims to provide a clear guide for mobile users looking to unlock their devices. With the right instructions, you can easily overcome the A21s FRP bypass challenge and enjoy your phone again.
Part 1: Common Challenges Users Might Face During FRP Lock Bypass
Many users face challenges when trying to bypass FRP locks on their Samsung devices. It can be frustrating, especially if you urgently need access to your Samsung A21 or A21s. The Samsung A21 FRP bypass process is essential but comes with its own set of difficulties. Below are the most common challenges users encounter during this process.
Complicated Steps
The steps for bypassing FRP locks can often be confusing and hard to follow. Many users struggle with detailed instructions, leading to errors and failed attempts.
Device Compatibility
Not all tools or methods work with every Samsung device model. Some tools may not support specific models like the Samsung A21 or A21s, making it harder to find a solution.
Time-Consuming Process
The FRP bypass process can take a significant amount of time to complete. Users often feel frustrated waiting for each step to finish, especially if they are in a hurry.
Risk of Data Loss
There is always a risk of losing personal data during the bypass process. Users may worry about losing contacts, photos, or other important files while unlocking their devices.
Limited Support
Finding reliable help or support during the FRP bypass process can be challenging. Many tools lack proper customer service or clear instructions, leaving users stuck if they encounter issues.
Due to these challenges, it's essential to find the best ways to remove Samsung A21s FRP locks safely and efficiently. Using reliable tools and methods can save time, reduce stress, and protect your data.
Part 2: Recommended Solutions to Do Samsung A21s FRP Bypass
Are you having trouble finding the best ways to do Samsung A21s FRP bypass? Many users face difficulties when trying to unlock their devices after a factory reset. To make this process easier, here are three effective solutions for bypassing FRP on your Samsung A21 or A21s. Each method is explained step by step to help you regain access to your phone quickly and safely.
Solution 1: How to Bypass Samsung FRP Using OTG Cable and FRP Bypass APK
If you're looking for how to bypass FRP, using an OTG (On-The-Go) cable and an FRP Bypass APK is a simple and effective solution. The OTG cable allows you to connect external devices like USB drives directly to your phone, enabling you to transfer files and install apps without needing a computer. The FRP Bypass APK is a special app designed specifically to unlock devices stuck on the FRP lock screen.
Steps to Use OTG Cable and FRP Bypass APK
Step 1: Download the FRP Bypass APK
Download the FRP Bypass APK file on a USB drive.
Step 2: Connect the USB Drive
Connect the USB drive to your Samsung A21/A21s using an OTG cable.
Step 3: Open File Manager
Once connected, the file manager will open automatically on your phone.
Step 4: Install the APK
Install the FRP Bypass APK and follow the on-screen instructions.
Step 5: Restart Your Phone
Restart your phone and complete the setup without any lock.
Solution 2: Samsung A21s FRP Bypass Through ADB (Android Debug Bridge) Command
For users wondering how to unlock FRP lock in Samsung, the ADB (Android Debug Bridge) method is another reliable option. ADB is a command-line tool that allows you to manage Android devices from a computer. It enables you to send commands directly to your device, making it easier to perform tasks like unlocking the screen or bypassing FRP locks.
Steps to Use ADB for FRP Bypass
Step 1: Enable Developer Options
Enable "Developer Options" and "USB Debugging" on your phone.
Step 2: Connect to PC
Connect your Samsung A21/A21s to a PC using a USB cable.
Step 3: Open Command Prompt
Open the command prompt on your PC and type adb shell.
Step 4: Enter ADB Command
Enter the command 'am broadcast -a android.intent.action.MASTER_CLEAR'.
Step 5: Restart Your Device
Wait for the process to complete, then restart your device.
Solution 3: How to Unlock FRP Lock on Samsung with Dr.Fone - Screen Unlock (Android)
Dr.Fone is a powerful and easy-to-use tool for unlocking Android devices, including those with FRP locks. It is ideal for users who may not be very tech-savvy but want to regain access to their phones quickly. This software supports a wide range of models and Android versions, making it a reliable choice for bypassing Samsung A21 FRP bypass challenges.
Dr.Fone - Screen Unlock (Android) can unlock various screen locks such as patterns, PINs, passwords, and fingerprints. With support for over 20,000 Android devices, it ensures compatibility across many models. Additionally, it allows users to bypass the Android FRP lock without needing a PIN or Google account, which is especially helpful if you've forgotten your credentials.
Key Features of Dr.Fone - Screen Unlock
- Works with most Android devices, including Samsung A21/A21s.
- Easy-to-use interface with step-by-step guidance.
- No risk of data loss during the unlocking process.
- Compatible with Android 10, 11, and newer versions.

Dr.Fone - Screen Unlock (Android)
The Best UnlockJunky Alternative to Bypass FRP and Solve Your Screen Locks
- Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
- Bypass the FRP lock of Samsung without a PIN or Google account.
- Everyone can handle the lock screen without any tech knowledge.
- Provide specific removal solutions to promise good success rate.
Steps to Use Dr.Fone - Screen Unlock (Android) for Samsung A21s FRP
Step 1: Launch Dr.Fone and Connect Your Device
Download and install Dr.Fone - Screen Unlock on your computer. Open the program, select "Screen Unlock," and connect your Samsung A21/A21s to the computer using a USB cable.
Step 2: Access the FRP Lock Removal Function
Choose "Remove Google FRP Lock" from the available options. Select your device brand as Samsung, then click "Start" to proceed with the FRP removal process.
Step 3: Select the Android Version and Follow the Instructions
Choose "All Android Versions (One-Click Removal)" or your specific Android version. Click "Start" and follow the on-screen instructions to open the Emergency Call feature on your phone.
Step 4: Complete FRP Removal
Enable USB debugging when prompted on your phone. Dr.Fone will automatically remove the FRP lock. Once completed, click "Done" to finish the process successfully.
Each of these methods offers a unique way to handle Samsung A21s FRP bypass issues effectively. Depending on your tools and technical comfort level, choose the solution that works best for you!
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Part 3: Tips: How to Prevent Future FRP Lockouts
To prevent future FRP lockouts, it is important to understand why they happen. FRP may trigger if you forget your Google account details or fail to sign out before performing a factory reset. This can cause frustration and make it harder to access your device. Here are some helpful tips to avoid these issues in the future:
- Always sign out of your Google account before factory resetting the device. This ensures that your account is not linked to the device after the reset, preventing unnecessary lockouts.
- Regularly backup device data and Google account credentials. Keeping your data safe and storing your credentials securely helps you avoid losing important information if a reset is required.
- Use reliable unlocking services and avoid unauthorized methods. Trustworthy services ensure your device is unlocked safely without risking damage or data loss.
- Keep the device's software up to date. Regular updates improve security, fix bugs, and reduce the chances of FRP lockouts happening again.
By following these tips, you can better understand how to remove FRP lock on Samsung devices and reduce the risk of encountering issues in the future. Additionally, knowing how to bypass Samsung FRP can be beneficial if you ever find yourself locked out again.
Conclusion
In this article, we explored how to remove FRP lock on Samsung devices using three effective methods. These included using an OTG cable with an FRP Bypass APK, bypassing FRP through ADB commands, and unlocking the device with Dr.Fone - Screen Unlock (Android). Each method offers a unique solution depending on your tools and technical expertise.
We also shared tips to prevent future FRP lockouts, such as signing out of Google accounts before factory resets, backing up data regularly, and keeping your software updated. If you're still wondering how to bypass Samsung FRP, Dr.Fone - Screen Unlock (Android) is a reliable, user-friendly tool that simplifies the process while ensuring your data stays safe. With just a few clicks, you can bypass any lock screen and get back to enjoying your device without hassle!
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Alice MJ
staff Editor