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Different Lock Screens
There are quite a few different lock screens to choose between, and their functionality wary a lot. They are :

Swipe This is the stock lock screen that your galaxy s3 is set up with when you take it out of the box. It functions in such a way that it displays a picture. When you touch the screen there is a ripple affect as if you put your finger in water. When you swipe your finger across the screen the phone unlocks.
Motion This lock screen works in a similar way as the former one except that you unlock your phone by putting your finger on the screen and tilt it forward.
Face unlock Using this option you can unlock your phone by holding your face in front of the cameras phone. I have written an article about this option, you can read it here
Face and voice This one works in a similar fashion as the Face unlock. The only difference is that you have to speak a word in addition to showing your face to unlock the phone.
Pattern Draw a pattern on the screen that you have determined in advance to unlock the screen.
Pin Similar to the way you use a pin when you withdraw money in your local ATM machine.
Password Type in a password predetermined by yourself to unlock your phone.
None If you use this option there will by no lock screen. This means that as soon as you hit that power button the phone will directly unlock.

o remove the front cover lift it from the bottom of the phone,With the front cover removed your phone should look like below. Now remove the six screwsYou should now be able to lift the LCD screen and frame from the circuit board. It's held in place by 4 plastic clips, circled below. You can now replace your damaged screen with new. Reverse the whole procedure for reassembly. If you've found this disassembly guide useful, please support formymobile.co.uk and order the tools and parts you need from our site. We ship worldwide

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