How to reset Samsung Galaxy S3?

Question

My phone is very slow because of too many aplications on it,so i need to restart it. Anyone knows how?

Answer 1

force reset ,Reset the device (press and hold POWER button for 8-10 seconds)

Unlock Galaxy S3 using hard reset 

Reset Galaxy S3:  PRESS AND HOLD VOLUME UP + HOME

BUTTON + POWER

Turn the phone off

Press and hold VOLUME UP and Home (center) button

Press Power until the  phone vibrate

Wait until you see the Android logo then release all the buttons

select Wipe data/Factory reset with VOLUME DOWN , press power

(right hand side)

select YES-- delete all user data with VOLUME DOWN and then press

Power

After format, press Power again to reboot phone. (select REBOOT SYSTEM NOW)

Answer 2

• force reset ,Reset the device (press and hold POWER button for 8-10 seconds)
• Unlock Galaxy S3 using hard reset Reset Galaxy S3:  PRESS AND HOLD VOLUME UP + HOME BUTTON + POWER

1. TURN the phone off
2. Press and hold VOLUME UP and Home (center) button

           Press Power until the  phone vibrate

       3.  Wait until you see the Android logo then release all the buttons

• select Wipe data/Factory reset with VOLUME DOWN , press power (right hand side)

• select YES-- delete all user data with VOLUME DOWN and then press Power

• After format, press Power again to reboot phone. (select REBOOT SYSTEM NOW)