Reset Android Pattern/Password/Pin lock (PROBABLY without even root)

1. Download Aroma File Manager.
2. Place it in the root of your sdcard(Preferred)
3. Reboot into recovery
4. For CWM:



Mount all partitions (including sd-ext if you have it)

And flash Aroma File Manager from sdcard

For stock recovery(Samsung e3):


In stock recovery, there is no option to mount partitions, so

Flash Aroma File Manager, Click on menu option and go to settings

Select Mount All Partitions

Now, exit from Aroma File Manager and reflash it.

Now, you will see each partition is mounted
5. Now, go to /data/system

Note : If you have sd-ext mod to increase internal storage, go to /sd-ext/system/
6. Now, If you have to remove pattern lock, long press and delete gesture.key

If you want to remove password, delete password.key
7. Exit the Aroma File Manager
8. Reboot
9. Enjoy

Credits:- *amarullz for Amazing Aroma File Manager *m.sabra for information about which files are related to passwords and pattern