Unlcok Pattern lock or Gmail account on Android devices without access of Internet

Unlcok Pattern lock or Gmail account without access of Internet. Using Android Devlopment Bridge 

(ADB )Command .

To use this solution Android Tablet or Android Smart Phone USB debugging Mode must be enable . Other wise Hard Reset is an option.This solution works with Android Tablets and Android Smart Phones

• Download Android SDK and install. Andriod directory will be created in C:Programe File 
• Connect device with Computer
• Install USB Drivers for Android Device 
• From windows start button click on Run , write cmd and enter it will open DOS.
• Change Compand path to Android SDK Manager (cd C:\Program Files\Android\android-sdk\platform-tools)Capital and small chracters count. 
• Type Command in CMD : adb device (Connected Tablets or Smart Phone will be display in CMD directory if not then try to reconnect your android device again. 
• adb shell 
• cd /data/data/com.android.providers.settings/databases
•  sqlite3 settings.db
•  update system set value=0 where name='lock_pattern_autolock';
• update secure set value=0 where name='lock_pattern_autolock'; (for some devices update “system” is enough but I had to update “secure” too)
• update system set value=0 where name='lockscreen.lockedoutpermanently';
•  update secure set value=0 where name='lockscreen.lockedoutpermanently';
• .quit
• exit
• adb reboot 

Your android device should be unlocked if not , then add this line in CMD as well (adb shell rm /data/system/gesture.key)

This Pattern unlock done with the help of android database . I mostly keep enable my USB debugging mode but if you concern to the security of your Android Tablets or Android smart phones then you must keep it off.