How to factory reset android smart phone| How to restore Samsung mobile ...

This short  Video tutorial will teach you how to reset your 

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A video demonstrating how to reset a locked android phone:
To reset your phone to default factory settings:

1. First switch off your phone and then,
2. Press and hold the following button:
     Volume up + Power + Home
3.This will bring up a small menu
4.Using the volume keys navigate to "Wipe data/Factory reset"
5.This option should restore your mobile to its default settings.
6. Restart you mobile