Once you login to the account, the lock screen will be reset as swipe and you can enter the device easily now. Next, you need to type your Gmail name and password and click on Sign in to enter the account. Then the device will prompt you that Incorrect bakup password entered 5 times and give you three options: Try again in 25 seconds, Emergency call, Unlock via Google. Enter random passcode on the phone screen for 5 times.
You can perform this means on the device and what you need to do is just enter the name and password of your Google account that you have singed in on the device. This most direct and easy way to unlock the Android phone password is to make use of your Google account.
Use Android Device Manager to Bypass Android Password