How to restore Factory settings in Samsung Galaxy Tab2 7.0(GT-P3100)?

NOTE: Factory Reset will erase your data irrevocably.The data that is gone cannot be revived. Therefore , it is required from your side that you have performed the back-up of the data that is present in the device.   

a). Tap on Applications as shown below.

b). Now , Tap on Settings as shown below.

c). Under Personal options of Settings , Tap Back up and reset as shown below.

d).  Under Personal Data option on the right hand side of the screen , Tap on Factory Data Reset option.

e). Under Factory and Data Reset , Tap on Reset device.

f). Now , Tap Erase everything to erase whatever personal information is present on your device.

This successfully restores the Factory settings.

NOTE: Please note that all your data will be erased and cannot be regained .