ZTE Blade G2 delete your Google & Gmail account

OS: Android 4.2.1 (Jelly Bean)

CPU: Quad-core 1.2 GHz Cortex-A7

Display: 4.5" inc

Camera: 5 MP, Single

Remove a Google account on ZTE Blade G2

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 content will be deleted, including emails, files, and photos.
The phone user will not be able to access Google services that require an account (such as Gmail, Drive, Google Play or Calendar).
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.
Now, select the Accounts and backup menu item.
Select Manage accounts to get a list of accounts on your device.