Try Hard reset method
Hard Reset LENOVO A328
First method:
1.) Hold down the Power button to switch off the device.Reset LENOVO A328
2.) Afterwards press and hold together Power + Volume Up button for several seconds.Reset LENOVO A328
3.) Then select "RECOVERY" by using Volume Up to scroll and Volume Down to confirm.
4.) Press the Power button to enter Recovery Mode. Reset LENOVO A328
5.) Press Volume Down to choose "wipe data/factory reset", and then push the Volume Up button to confirm.
6.) Select "Yes--delete all user data". Use Volume Down button to scroll and Volume Up to select.
7.) To restart the phone, select "reboot system now".