Update: Added one section on device protection on Android Lollipop 5.1. You will be asked to verify the ownership using your Google account after factory data reset.
Update 2: the OTG method to bypass factory data reset on Galaxy S6, S6 edge, S6 edge+ and Note 5 without knowing old Google account were added in this page.
What is factory data reset for Galaxy S6 and Galaxy S6 edge?
Factory data reset is a feature in Android devices. It allows you to erase all your data and settings so that the device returns to the original factory state.
Galaxy S6 and S6 edge fully support factory data reset, i.e., you can clean your Galaxy S6 and S6 edge with factory data reset.
When your settings are erased, the default settings, or factory settings, will be applied until you set up the phone again.
All apps, except pre-installed apps, are removed as well once you perform a factory data reset on Galaxy S6 or S6 edge.
So, it is extremely important to backup your Galaxy S6 or S6 edge before resetting the phone. Please read this guide on how to backup Galaxy S6 and S6 edge.
When you need reset Galaxy S6 and Galaxy S6 edge?
If you think you never need reset Galaxy S6 and Galaxy S6 edge, you are very likely wrong.
In the following scenarios, you very likely have to reset Galaxy S6 and Galaxy S6 edge:
- When your phone is stolen.
- When you pass Galaxy S6 to your kids or sell it (because you get a new phone),
- When you are locked out of your Galaxy S6 and you cannot use Find My Mobile to unlock the phone either.
- When Galaxy S6 or S6 edge refuses to work.
- When you messed up your Galaxy S6 or S6 edge.
- When an update messed up your Galaxy S6 or S6 edge.
- When Galaxy S6 or S6 edge is getting slower and slower for no reasons.
The purposes to reset Galaxy S6 and Galaxy S6 edge include:
- to erase your personal data and apps. Removing an account usually is not sufficient for cleaning your personal data.
- to solve problems on Galaxy S6 or S6 edge caused by you, or by some system apps, or by some nasty apps, or by some system update.
How to reset Galaxy S6 and Galaxy S6 edge when you can use the phone?
There are many ways to reset Galaxy S6 and Galaxy S6 edge.
The most simple way to reset Galaxy S6 is through Settings menu.
In Galaxy S6 Settings —Backup and reset, tap Factory data reset as shown below.
Now, you will get detailed info on factory data reset. It tells you what will be removed. This is your last chance to backup your Galaxy S6 or S6 edge.
If you are sure all your data are backed up, tap Reset Device as shown below.
The phone will reboot and give you a “new” Galaxy S6 (or S6 edge) after a few mins.
How to reset Galaxy S6 and Galaxy S6 edge when you are locked out of the phone?
If you cannot access the Galaxy S6 Settings menu, e.g., Galaxy S6 or S6 edge refuses to accept your PIN, password and fingerprints, you have at least three (3) options to reset Galaxy S6 and Galaxy S6 edge depending on availability of internet connections on the phone:
- If Galaxy S6 is connected to internet, you can use Android Device Manager to erase all data on the phone (factory data reset)with your Google account.
- If Galaxy S6 is connected to internet and you added a Samsung account to Galaxy S6 already, you can use Find My Mobile to unlock Galaxy S6 or reset Galaxy S6 (or S6 edge) with your Samsung account.
- If Galaxy S6 is not connected to internet, you can boot the phone into Galaxy recovery mode to reset Galaxy S6 and Galaxy S6 edge.
1. Use Android Device Manager to reset Galaxy S6 and Galaxy S6 edge
As explained in this page, Android Device Manager currently does not reset the screen lock. But you can use Android device manager to reset Galaxy S6 and Galaxy S6 edge.
You can access Android device manager with your Google account here.
Once logged in, you can find your Galaxy S6 or S6 edge as shown below. You can tap the arrow shown in green box in the screenshot to see all devices if Galaxy S6 or S6 edge is not shown.
Now click Erase as shown below to factory reset Galaxy S6 or Galaxy S6 edge.
Google also released the Android Device Manager app in Google Play store. You can use the app on other devices to reset Galaxy S6 or S6 edge. The function and usage are identical to those on a PC.
2. Use Find My Mobile to reset Galaxy S6 and Galaxy S6 edge
Please refer to this page on how to use Samsung’s Find My Mobile to reset Galaxy S6 and Galaxy S6 edge.
3. Reset Galaxy S6 and Galaxy S6 edge in recovery mode
If your Galaxy S6 is not connected to internet, and you cannot access the Galaxy S6 Settings menu, you have to boot into Galaxy S6 recovery mode by following this guide.
Once you are in the Galaxy S6 recovery console, you can choose Wipe data/factory reset as shown below with volume keys, then press power key to confirm.
After pressing power button to confirm, your Galaxy S6 will be reset immediately. It will take a few mins, Once it finish resetting Galaxy S6 or S6 edge, your phone will be rebooted into normal mode and you get your “new” Galaxy S6 (or S6 edge).
Can I reset Galaxy S6 and Galaxy S6 edge to roll back the update?
Unfortunately, there is no way to rollback an Android update in Galaxy S6 or S6 edge.
When you reset Galaxy S6 and Galaxy S6 edge, the factory state is for the latest ROM installed on the phone. This means it will NOT rollback Galaxy S6 to the state you got the phone first time.
If you really need the old versions of Android on Galaxy S6 or S6 edge, you need check with local Samsung service center. Flushing an inappropriate ROM (e.g., not for your region) may make your phone useless and may void the warranty in some regions.
Why Galaxy S6 asks for Google account that added to the phone before factory data reset?
Android Lollipop 5.1 introduced a new feature: device protection (anti theft). You have to verify you are owner of the device using your Google account. You cannot bypass this step, unlike the setup for a new Galaxy S6.
This feature is enabled by default if:
- there are one or more Google accounts on Galaxy S6 before you do the factory data reset, and
- Galaxy S6 lock screen security is NOT “none” or “swipe” before you do the factory reset.
If you change the Google account, that Google account cannot be used to verify your identity within 72 hours.
Please refer to this guide on how to bypass device protection on your Galaxy S6 when you plan to do a factory data reset.
Can you reset Galaxy S6 or reset Galaxy S6 edge now?
If you have any questions or encounter any problems to reset Galaxy S6 or reset Galaxy S6 edge, or have questions on using Android device manager and Find My Mobile, please let us know them in the comment box below.
The community will try to help you find a solution.
For other features of Galaxy S6, please check Galaxy S6 online manual page.
For detailed guides on how to use Samsung Galaxy S6, please check Galaxy S6 how-to guides page.
For detailed guides on how to use Galaxy S6 camera, please check Galaxy S6 camera guide page.