Samsung Galaxy Tab S3 (SM-T825) - Manual (Page 143)

Settings 138
Reset Settings
You can reset your device to its factory default settings,
which resets everything except the security, language,
and account settings. Personal data is not affected.
1. From a Home screen, tap Apps > Settings.
2. Tap General management > Reset > Reset
settings.
3. Tap Reset settings, and confirm when prompted.
Reset Network Settings
You can reset Wi‑Fi, Mobile data, and Bluetooth
settings with Reset network settings.
1. From a Home screen, tap Apps > Settings.
2. Tap General management > Reset > Reset network
settings.
3. Tap Reset settings, and confirm when prompted.
Factory Data Reset
You can reset your device to factory defaults, erasing all
data from your device.
This action permanently erases ALL data from the
device, including Google or other account settings,
system and application data and settings, downloaded
applications, as well as your music, photos, videos, and
other files. Any data stored on an external SD card is
not affected.
Note: When you sign in to a Google Account on your
device, Factory Reset Protection is activated. This
protects your device in the event it is lost or stolen.
For more information, see “Factory Reset Protection” on
page 12.
If you reset your device to factory default settings with
the Factory Reset Protection (FRP) feature turned
on, you must enter the user name and password
for a registered Google Account to regain access to
the device. You will not be able to access the device
without the correct credentials.