Reset Lenovo A6000 to remove pattern lock and user security locks or solve hang and freeze problem with hard reset trick. If you have forgot your pattern lock and want to reset your device to its factory default settings. Using this trick all data will be deleted on mobile memory so first take backup before reset device to its factory default settings.
Note: Before do that take backup of your important data, phone book, messages, images, and take out Sim card and SD Card.Because after hard reset it is not possible to recover all data so it is important to take backup of all your data.
Make sure your mobile battery is charged 70% .
Turn off the mobile....
Press and hold Volume up+Home and power keys together.
When Android recovery menu appear select with volume keys "Wipe Data/factory reset" and press power button once to confirm.
Select with volume key "Yes..... delete all user data" press power to confirm.
Pres power button again to reboot mobile to complete the method.