How to Factory Reset a Locked Samsung Phone

Factory Reset Options When Your Samsung Phone Is Locked

A factory reset on a locked Samsung phone depends on what kind of lock you have and whether you remember your PIN, pattern, or password. If you know your lock code, you can reset through Settings. If you do not know it, you have two main paths: use your Samsung account to unlock the phone first, or use Samsung Find Mobile (the company's remote management tool). A true factory reset erases everything on the phone and returns it to the state it left the factory.

The method you use matters because some routes require you to prove ownership to Samsung, while others work only if you set up a Samsung account before the phone locked. If none of these work, a Samsung service center can perform a reset, though they may ask for proof of purchase.

Key Takeaways

If you remember your lock code, go to Settings > General Management > Reset > Factory Data Reset to wipe the phone without needing to unlock it first.
If you forgot your code, use Samsung Find Mobile on a computer to unlock the phone remotely, then proceed to Settings to factory reset.
A Samsung account tied to the phone before it locked allows you to unlock it through the lock screen itself without needing another device.
After a factory reset, the phone will ask you to sign in with the Samsung account that was registered to it, so you must remember that account email and password.
If you cannot unlock the phone through any of these methods, visit a Samsung service center with proof of purchase to have them reset it.

Reset Through Settings If You Know Your Lock Code

This is the fastest method if you remember your PIN, pattern, or password. Turn on the phone and enter your lock code at the lock screen. Once you are in, open Settings and navigate to General Management (the exact name varies slightly by model year, but it is always in the main Settings menu).

Tap Reset, then Factory Data Reset. The phone will show you a warning that all data will be erased. Confirm by tapping Reset Phone or Delete All, depending on your model. The phone will restart and begin the reset process, which takes a few minutes. When it finishes, you will see the initial setup screen as if the phone were brand new.

Unlock a Locked Phone Using Samsung Find Mobile

Samsung Find Mobile is a web-based tool that lets you unlock a phone remotely if you registered it with a Samsung account before it locked. Go to findmobile.samsung.com on any computer and sign in with the Samsung account email and password you used on the phone.

Once you are logged in, select your phone from the list of devices. Click Unlock and confirm the action. The phone will unlock within a few minutes. After it unlocks, you can then go to Settings and perform the factory reset as described above. This method works only if you set up the Samsung account on the phone before it became locked.

Use Your Samsung Account to Unlock at the Lock Screen

If you have a Samsung account registered to the phone and you have entered the wrong lock code too many times, the lock screen itself may offer an unlock option. After several failed attempts, you will see a message saying the phone is locked. Look for a link or button that says "Unlock with Samsung Account" or "Sign in with Samsung Account."

Tap that option and enter the email and password for the Samsung account registered to the phone. The phone will unlock. From there, you can go to Settings and perform the factory reset. This option appears automatically after repeated failed unlock attempts, so you do not need to do anything special to enable it.

What Happens After the Factory Reset Completes

When the reset finishes, the phone will restart and show the initial setup screen, just as it did when it first came out of the box. You will be asked to choose a language, connect to Wi-Fi, and sign in with a Google account. At some point during setup, the phone will ask you to sign in with the Samsung account that was originally registered to it.

This is a security feature called Reactivation Lock. You must enter the correct Samsung account email and password to proceed. If you do not remember the account details, you will not be able to finish setup. Write down your Samsung account information and store it somewhere safe so you have it if you ever need to reset the phone again.

When to Visit a Samsung Service Center

If you cannot unlock the phone through any of the methods above, your next step is a Samsung service center. Bring the phone and proof of purchase (a receipt, invoice, or order confirmation). The staff can perform a factory reset using specialized tools, though the process may take a few days.

Some service centers may ask you to sign a form stating that you own the phone. This is standard practice to prevent theft. If you do not have proof of purchase, ask whether the center can look up the phone's serial number in Samsung's system to verify ownership. Policies vary by location and service center.

Common Mistakes to Avoid

Do not assume that a factory reset will remove a Samsung account lock. The reset itself erases all data, but the phone will still require you to sign in with the original Samsung account afterward. If you do not know that account's password, the reset will not help you get past the lock screen.

Do not try to force the phone open or use unofficial tools to bypass the lock. These methods can damage the phone or void the warranty. Do not enter random codes repeatedly in hopes of guessing the lock code — after too many failed attempts, the phone will lock you out for a period of time or require a factory reset anyway.

Do not forget to back up important data before you reset if the phone is still accessible. A factory reset erases everything, including photos, messages, and contacts. If you have already locked yourself out, this is not an option, but if you can still access the phone, use Samsung Cloud or Google Drive to back up what matters.

Frequently Asked Questions

Will a factory reset remove my lock code?

Yes, the reset erases the lock code entirely. However, after the reset completes, the phone will ask you to sign in with the Samsung account that was registered to it before the reset. You must know that account's password to proceed past setup.

Can I factory reset a Samsung phone without a computer?

Yes, if you know your lock code, you can reset entirely through the phone's Settings menu. If you do not know your code, you will need a computer to access Samsung Find Mobile or to look up your Samsung account password.

What if I do not remember my Samsung account password?

Go to account.samsung.com on a computer and click "Forgot password?" Enter the email address for your Samsung account. Samsung will send you a password reset link via email. Once you reset the password, you can use it to unlock the phone or complete setup after a factory reset.

Does factory reset delete photos and files permanently?

A factory reset erases all data from the phone's storage, including photos, messages, and files. The data cannot be recovered through normal means. If the phone is still accessible before you reset it, back up important files to Google Drive or Samsung Cloud first.

Can I factory reset a Samsung phone if it is off?

You can perform a factory reset using recovery mode even if the phone will not turn on normally. Turn off the phone, then hold the Volume Up button and Power button together until the recovery menu appears. Use the volume buttons to navigate to "Factory Reset" and the power button to confirm. This method works without entering a lock code.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.