How do I unlock a Samsung Galaxy S9 after forgetting the pattern?
Answer
If you no longer remember the Galaxy S9 pattern and cannot unlock with biometrics or a backup PIN, the usual fix is a factory reset from Android recovery. That clears the pattern but also erases apps and personal data on the phone unless a backup already exists.
Before you start: stop right away if…
- A factory reset permanently deletes data stored only on the phone. Stop if you still have another way to unlock and back up first.
Follow these steps
Try any remaining unlock methods first
On the lock screen, try fingerprint, face unlock, or Switch to PIN/password if those options appear. Only continue to a reset if none of them work.
You should see: Either the phone unlocks, or it is clear that recovery wipe is the remaining option.
Boot into Android recovery
Power the phone off. Hold Volume Up + Bixby + Power until the Samsung logo appears, then release and wait for the Android recovery menu. If Bixby is not used on your variant, use the recovery key combo documented for your exact S9 model.
You should see: The Android recovery menu appears with options you can highlight using the volume keys.
Select Wipe data/factory reset
Use the volume keys to highlight Wipe data/factory reset, then press Power to select it. Confirm with Yes — delete all user data when prompted.
You should see: The wipe finishes and returns you to the main recovery menu.
Reboot and set up the phone
Highlight Reboot system now and press Power. Complete setup, including the Google account that was previously on the phone if Factory Reset Protection asks for it.
You should see: The phone boots to setup and can be unlocked with a new pattern, PIN, or password after setup.
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Extra tips
What to look for: The Android recovery menu options Wipe data/factory reset and Yes — delete all user data, and later the Google account sign-in screen after reboot.
Before you change anything: Confirm the model is a Samsung Galaxy S9 (or closely related Galaxy S9 variant). Back up anything important first if the phone can still be unlocked another way. Have the Google account email and password that were on the phone ready for after the reset. Understand that a factory reset deletes photos, messages, and apps stored only on the device.