HOW TO UNLOCK LOCK PATTERN of ANDROID PHONE USING COMMAND PROMPT

HOW TO UNLOCK LOCK PATTERN of ANDROID PHONE USING COMMAND PROMPT.

 REQUREMENTS: 

1) Android phone with pattern lock
2) Download this platform_tool   Download
3) Goto About device and click 7 times on BuildNumber  to Enable the Developer Option 
     and Goto Developer Options and Enable USB Debugging 
4) A Windows PC/ laptop
5) A usb cable 

1. You should toggle USB debugging going to the Developer Options on the general settings screen as soon as you buy a device. The problem is the activation this option in attaching your device to PC is impossible without taking a few preliminary steps. Therefore to disable pattern unlock using ADB is not possible.

Instruction to disable pattern unlock.

1. Connect an Android device to PC, unzip platform-tools archive to any folder;
2. To start running “Platform-tools” you should open “Platform-tools” folder, press and keep pressing “Shift” button and tap at free space with the other mouse button. You will see pull-down menu. Select “Open command prompt” ;
3. Then input the code below, submit it by pressing “Enter”:
   
   The first option:
   

   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

   
   The second option:
   

   adb shellrm /data/system/gesture.key

   
   The third option:
   

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

   
   The fourth option:
   

   adb shell
   rm /data/system/gesture.key

4. After performing all steps, reboot your device. Now you can input a new pattern unlock.

We can not 100% guarantee that one of the above methods will definitely work. Nevertheless it is worth to try all of them. A great deal depends on the model of the device, its firmware. However many users solved this problem by employing the above methods first try. We wish you good luck!