Lenovo A820 delete your Google & Gmail account

OS: Android 4.1.2 (Jelly Bean)

CPU: Quad-core 1.2 GHz Cortex-A7

Display: 4.5" inc

Camera: 8 MP, Single

Remove a Google account on Lenovo A820

If you are going to sell your old phone, you definitely need to delete your google account from your phone so that the new user cannot access your google profile and cause problems with google services.

What happens after deleting a Google account?
All data and files will be deleted, including emails, notes and photos.
You won't be able to access Google services that require an account (such as Gmail, Drive, Calendar, or Google Play).
You will lose access to subscriptions and content purchased through this account on Google Play and YouTube (for example, applications, games, music, TV series).

How do I remove a Google account from my phone?
Go to Settings on your phone.
After that, select Accounts and backup.
Select Manage accounts and select the account to delete.