#Option 1, Hard Reset LENOVO A1000 with menu setting:
1.Turn on the LENOVO A1000
We suggest to charge the battery full
Make sure you already backup all important data, because it will deleted from LENOVO A1000
Go to Menu Setting > Storage > Factory Data Reset
Choose Reset Phone,
continue with Erase Everything
The LENOVO A1000 will do the master reset until it finish
Option 2, Hard Reset LENOVO A1000 with Hardware Button key:
Confirm and make sure that LENOVO A1000 Battery is fully charge or not empty
Turn off LENOVO A1000
Press together : POWER + VOLUME UP about several second, that the warning will appear at the LENOVO A1000
You can also try to press POWER BUTTON until Lenovo logo appear, then continue press VOLUME UP + VOLUME DOWN together until menu appear
Choose: Reset Device or Wipe data or Clear eMMC
Make sure we already sure than we know that our application and data will be loose or clear while Resetting LENOVO A1000
Boss pag isip mo muna mabuti. Or better yet wait for others opinion and suggestions before you follow this steps