Asus Zenfone Max Pro (M1) ZB601KL/ZB602K delete your Google & Gmail account

OS: Android 8.1 (Oreo), upgradable to Android 9.0 (Pie)

CPU: Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver)

Display: 5.99 inches, 92.1 cm²

Battery: Non-removable Li-Po 5000 mAh battery

Remove a Google account on Asus Zenfone Max Pro (M1) ZB601KL/ZB602K

If you are going to sell the phone to another user, you must definitely remove the Google account from the phone, otherwise the new user will get access to your mail or other Google services.

What happens after deleting a Google account?
All data and content associated with the account will be erased, including emails, files and photos.
The phone user will not be able to use 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 section on your phone.
Select the Accounts and backup menu item.
Select Manage accounts to access the accounts saved on your device.