What a factory reset does and when you need one
A factory reset erases all data on your Samsung Galaxy tablet and returns it to the state it left the factory. This means every app you installed, every photo, every contact, and every setting you changed will be gone. The operating system itself stays the same — you are not downgrading or upgrading Android, just clearing out everything you added to it.
You might factory reset because the tablet is running slowly, apps keep crashing, you are selling or giving it away, or you forgot your PIN or password and cannot get past the lock screen. Before you start, understand that this action cannot be undone. If you have photos, documents, or anything else you want to keep, back them up to Google Drive, Samsung Cloud, or a computer first.
Key Takeaways
- A factory reset wipes all your data and settings but keeps the Android version the same.
- Back up anything you want to keep before starting, because the reset cannot be reversed.
- You can reset from Settings if you know your PIN or password, or from the recovery menu if you are locked out.
- The reset takes 5 to 15 minutes, and the tablet will restart several times during the process.
- After the reset, you will see the initial setup screen as if the tablet were brand new.
How to factory reset from Settings (if you can unlock the tablet)
This is the simplest path if you remember your PIN, password, or pattern. Open Settings by swiping down from the top of the screen twice and tapping the gear icon, or by finding Settings in your app drawer.
Tap General management (the exact name varies slightly by model — it might say "System" or "About tablet" depending on your tablet's age). Look for Reset or Reset options. Tap Factory data reset or Reset all settings. The tablet will show you a warning listing what will be deleted. Read it, then tap Reset or Delete all to confirm. You may be asked to enter your PIN or password one more time.
The tablet will restart and show a progress bar. This takes 5 to 15 minutes depending on how much data is on the device. Do not turn it off or unplug it during this time. When it finishes, you will see the "Welcome" or "Hello" setup screen, the same one you saw when the tablet was new.
How to factory reset from recovery mode (if you are locked out)
If you cannot unlock the tablet because you forgot your PIN or password, you can reset it using the recovery menu. First, power off the tablet completely. Press and hold the Volume Up button and the Power button at the same time. Keep holding both until the Samsung logo appears — this usually takes 5 to 10 seconds. Then release both buttons.
You will see a menu with options like "Reboot system now," "Wipe data/factory reset," and others. Use the Volume Up and Volume Down buttons to move between options. Highlight Wipe data/factory reset and press the Power button to select it. The tablet will ask you to confirm. Highlight Yes and press Power again.
The reset will begin. You will see a progress bar and the message "Formatting /data..." or similar. This takes 5 to 15 minutes. When it finishes, you will return to the recovery menu. Highlight Reboot system now and press Power. The tablet will restart and show the setup screen.
What to do if the reset gets stuck or fails
If the progress bar stops moving for more than 20 minutes, or if you see an error message, the reset may have failed. Do not force-restart the tablet when ready — wait at least 30 minutes in case it is still working. If nothing changes after that, hold the Power button for 10 seconds to force a shutdown.
Turn the tablet back on normally. If it boots to the setup screen, the reset worked despite the appearance of a problem. If it boots to your lock screen or shows an error, try the reset again from recovery mode. If it fails a second time, the tablet may have a hardware problem or corrupted system files that a factory reset cannot fix. At that point, contact Samsung support or visit a repair shop.
Setting up your tablet after the reset
When the tablet restarts after a factory reset, you will see the initial setup wizard. You will be asked to choose a language, connect to Wi-Fi, and sign in with a Google account. Use the same Google account you used before the reset if you want to restore your apps and some settings automatically.
The tablet will read and reinstall apps from the Google Play Store that were linked to your Google account. This can take 30 minutes to an hour depending on how many apps you had and your internet speed. You will need to manually reinstall any apps that were not from the Play Store, and you will need to sign back into apps like email, social media, and banking.
If you backed up photos or documents to Google Drive or Samsung Cloud before the reset, sign into those services and read your files. If you backed up to a computer, connect the tablet to the computer and copy the files back over.
Common mistakes that cause problems during a reset
The most common mistake is unplugging the tablet or turning it off while the reset is running. If the power cuts out mid-reset, the tablet may not boot at all, and you may need professional help to fix it. Always make sure the battery is charged to at least 50 percent before you start, and do not unplug it from power if it is plugged in.
Another mistake is not backing up your data first. Once the reset finishes, there is no way to recover deleted photos, messages, or files. If you think you might want something later, back it up before you start.
A third mistake is forgetting your Google account password. If you reset the tablet and then cannot remember the Google account password, you will be stuck on the setup screen. Write down your Google password or use a password manager before you reset.
Frequently Asked Questions
Will a factory reset remove the Android operating system?
No. A factory reset only erases your data and settings. The Android version stays the same. If you want to update Android to a newer version, you do that separately through Settings > System > System update after the reset is complete.
Can I stop a factory reset once it has started?
No. Once you confirm the reset, it will run to completion. Do not turn off the tablet or unplug it. If you change your mind, you should have backed up your data before starting — that is why the backup step is so important.
What if I do not remember my Google account password after the reset?
You will be stuck on the setup screen. Go to the Google account recovery page on a computer and reset your password there. Then use the new password on the tablet. If you cannot recover your Google account, you may need to contact Samsung support.
How long does a factory reset actually take?
The reset itself takes 5 to 15 minutes depending on how much data is on the tablet. After that, the initial setup takes another 10 to 30 minutes depending on your internet speed and how many apps you want to restore. Plan for at least an hour total.
Can I factory reset a Samsung tablet without a computer?
Yes. Both methods described here — from Settings and from recovery mode — work without a computer. You only need a computer if you want to back up files before the reset or restore files afterward.