Unlock Android Pattern Lock Without Root

Hi guys,Today i am going to post tutorial on how to unlock android pattern lock without root.There several methods are there for unlock pattern lock.But many of them are difficult and not understandable,so here i am going to post 2 methods for unlock android pattern lock.

Method I-

Required Tools:
1]cwm.zip Download from Dropbox
2]delete_password.zip Download from Dropbox


Procedure:

1]Paste this two files in root of memory card.
2]Switch off the phone.
3]Then start phone by pressing Volume up+Home+Power key to go to recovery mode.
4]Then select option update from the SD card.
5]Now select file cwm.zip
6]Choose install zip from SD card and select delete_password.zip file from SD card.
7]Some process happen and then reboot your phone and draw any pattern lock to unlock device.
8]Its Done

Tested Device:
1] Samsung Galaxy Y
1] Samsung Galaxy Y Duos
1] Samsung Galaxy Ace
1] Samsung Galaxy Ace Duos

Method II- 
ADB Shell Method:

How to use ADB shell -Link

ADB shell Method-1]

adb shell 

cd /data/data/com.android.providers.settings/databases sqlite3 settings.db 

update system set value=0 where name='lock_pattern_autolock';

update system set value=0 where name='lockscreen.lockedoutpermanently'; 

.quit

ADB shell Method-2]

adb shell rm /data/system/gesture.key

Video Tutorial: http://www.youtube.com/watch?v=tVJ7T2oC_Zs

You Can Use Both Method By Run First Method Then Reboot,Run Second Method Then Reboot.

Procedure:
1] In first method,each line is separate command,press enter after each command/line
2]In second method press enter after whole command.
3]Then reboot device and draw any pattern to unlock


Tested Devices:
All Gingerbread,Ice cream Sandwich and Jelly Bean
In Some Nexus custom rom phone this method is not working so use following-.

adb shell su rm /data/system/locksettings.db rm /data/system/locksettings.db-wal rm /data/system/locksettings.db-shm reboot


Dislcaimer:
This tutorial only for educational purpose.Author is not responsible for any hacking attempt by user and also not responsible for any phone damage