Xiaomi Redmi 3S Pro delete your Google & Gmail account

OS: Android 6.0 Marshmallow

CPU: Qualcomm Snapdragon 430 8937, Processor clock: 1.40 GHz, Number of cores: 8, GPU: Adreno 505

RAM: 3 GB

Display: Color / IPS TFT, 16M colors, 720 x 1280 px (5.00") 294 ppi, ~71.1% screen-to-body ratio

Camera: 13 Mpx

Battery: Li-Ion 4100 mAh

Remove a Google account on Xiaomi Redmi 3S Pro

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?
Emails, all data and content, including files and photos, will be deleted.
You won't be able to use Google services that require an account (such as Gmail, Drive, Calendar, or Google Play).
You will lose access to subscriptions on YouTube and Google Play, as well as to content purchased through this account (applications, music, games, series).

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