HTC One M9 delete your Google & Gmail account

OS: Android 5.0 (Lollipop), upgradable to 7.0 (Nougat); Sense UI 7

CPU: Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)

Display: 5" inc

Camera: 20 MP, Single

Remove a Google account on HTC One M9

You need to be sure to remove your Google account from your phone if you transfer the phone to another user and do not want him to get access to your mail or other Google services.

What happens after deleting a Google account?
All data and content will be deleted, including emails, files, 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?
Open the Settings app on your phone.
Now, select the Accounts and backup menu item.
Select Manage accounts and select the account to delete.