Samsung Galaxy J3 6 User Manual page 318

2. Set options.
 The Backup and reset settings are applied and saved.

If you are performing a Factory data reset, follow the prompts to confirm the data removal.
The phone will erase all data and reboot.
Factory Data Reset
Return your device to its factory defaults.
Factory Reset Protection
Adding a Google Account to your device automatically enables the Factory Reset Protection (FRP)
security feature.
FRP prevents other people from using your device if it is reset to factory settings without your permission.
For example, if your device is lost or stolen, only someone with your Google Account can perform a
factory data reset and use the device.
When a device is factory reset, the device will not be able to be setup without the user entering the
Google Account associated with the device.
Caution: You should remove your Google Account before shipping your device to Samsung or any other
service provider for service and before resetting the device to factory settings.
Important: Before initiating a Factory Reset on your own, confirm your Google Username and password
are up to date and active. You will need this information upon restart of the device.
To reset your device to its factory defaults:
Settings 309