It will remove all the data ,contacts and apps that you installed
At the very beginning hold down the Power key for a short while in order to turn off the device.
After that, press and hold simultaneously the Volume Up + Home + Power button for a few momements.
You should release held keys when the Samsung Logo appears on the screen.
Afterwards select "wipe data / factory reset" by using Volume buttons to navigate and Power key to confirm.
In the next step choose "Yes -- delete all user data" to confirm whole operation.
When the Recovery Mode appears again select "reboot system now".
Excellent! You have just performed the hard reset operation.
If the display is off, use the Power button to turn it back on.
Afterwards go to Settings and then to Backup&Reset.
In the next step tap Factory Data Reset and Reset Devive.
Choose Erase Everything if you are sure you want to clear all your data.
Select OK to confirm the whole operation.
Well done! The hard reset is done.
Samsung Galaxy Tab S2 LTE 9.7 Restore Factory Hard Reset Format Phone.So lets start the Samsung Galaxy Tab S2 LTE 9.7 Restore Factory, Samsung Galaxy Tab S2 LTE 9.7 Hard Reset.Turn Off the mobile phone for few mints.Samsung Galaxy Tab S2 LTE 9.7 Remove Pattern Lock.
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Samsung Galaxy Tab S2 LTE 9.7 Restore Factory Hard Reset Remove Pattern Lock
Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.