How to Factory Reset/ Pattern Unlock Samsung Galaxy S9/S9+ Without Password

Here is a step-by-step guide on how to factory reset a Samsung Galaxy S9 and S9 Plus. If you’re planning to sell your phone or experiencing an issue after an update and need to wipe data factory reset, then this is a perfect guide for you.

A factory reset will erase all data on your phone, including contacts, messages, WhatsApp data, photos, application data, and other media content stored on the internal storage. It is therefore highly recommended to backup your important data before factory resetting your device.

What you’ll learn:

  • Unlock your phone using the Hard Reset method
  • Factory Reset to default settings
  • Install Custom TWRP Recovery
  • Factory Reset without losing data

Instructions for the S9 Factory Reset:

Follow these steps to factory reset an S9 or S9+. These instructions are for devices running Android 10 and lower versions. If you’ve added a Samsung account to your device, it may ask for a Samsung account password, so make sure you already know the password.

  1. Tap on the Settings app on your device.
  2. Scroll down and find Device management
  3. Tap on Reset
  4. Tap Factory Data Reset
  5. Scrolling down the page, tap Reset

Video Tutorial

Here is a video tutorial in case you’ve had any issues understanding the above-given instructions.

Forgot your password, pattern, or PIN? Unlock Samsung S9

Hard reset is different from factory reset because it is done through Android recovery mode. A hard reset can be useful in case you’ve forgotten the pattern lock on your phone and there is no way to get into phone settings.

If you don’t want to get in trouble later, make sure to remove the Google account from your device, otherwise it will trigger an FRP lock on your device and if you don’t remember the Google account, then you’re going to get into big trouble.

  1. Power off your phone
  2. Press the Volume Up and Power buttons for at least 5–10 seconds.
  3. Your Samsung S9 will boot into recovery mode.
  4. Use Volume up and down to navigate between options and the Power button to choose an option.
  5. Now select Wipe Data/Factory Reset. You’ll get a warning, as mentioned earlier.
    If your phone is reset, you may need to enter the Google account information (email address and password) associated with this phone to be able to use it again.
  6. It will ask for confirmation. Will it wipe all user data? Select factory data reset.
  7. That’s it. Now reboot your S9.

Samsung S9 TWRP Recovery

The Samsung S9/S9+ runs stock Android recovery, but it comes with limited options and features. TWRP is a custom Android recovery that you can use for more advanced options like flashing rooting files, custom kernels, and zip files like Gapps. It could also be used to make full backups of your device to save your important data without losing it before a factory reset.

To install TWRP recovery on the S9 Plus, you need a Windows computer, a TWRP image, and Odin software to flash it.

Please note Samsung S9 & S9+ have different models based on your region. Make sure you download the right file for your specific model. TWRP recovery also gives codename for Samsung phones, you can view your phone model code in Android recovery mode. starlte is for Exynos S9 models.

  1. Download Odin3 software
  2. Flash TWRP using odin3

The above links will help you download all the required files and how to flash it using Odin3.

Factory Reset without losing data

Here are the instructions if you’ve important data on your Samsung S9 and you don’t want to lose data but want to reset your phone at the same time. Is it possible, yes 80% chances are you can recovery all of your phone data stored on internal storage.

  1. Install TWRP recovery on your phone.
  2. Boot your phone into TWRP recovery using Vol up+Power keys
  3. Connect your phone to PC
  4. While in the custom recovery mode, your phone data will be shown in Windows explorer.
  5. Open the folder and copy all the important data.

I hope you find this useful. For tips and guides don’t forget to follow our YouTube channel.

I hope you find this useful. We have also written on how to bypass FRP lock on Galaxy S9 running Android 10 you may find it useful. For tips and guides don’t forget to follow our YouTube channel.

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Imran Aftab

Hello, I'm Imran Aftab, a tech enthusiast using Android, iOS, and Windows. Hardware expert for Gaming & Crypto mining rigs. I have been writing on tech since 2013, starting with ohguideme, then Androidcentral. I have written and published several guides and tutorials on how to root Android, flash custom ROM, recovery, and jailbreak iPhone, and have written several guides on how to bypass FRP. I also worked in a phone repair shop, so I have pretty good experience with mobile software and troubleshooting. So, all the guides you see here have been tested and confirmed to work.

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