How to sign out of gmail on iphone mail app

To sign out of Gmail on the iPhone Mail app, follow these steps:

1. Open the Mail app on your iPhone.
2. Tap on the "Mailboxes" tab at the top left corner of the screen.
3. Tap on the "Edit" button in the top right corner of the screen.
4. Tap on the "Accounts" button.
5. Find the Gmail account you want to sign out of and swipe left on it.
6. Tap on the "Delete Account" button.
7. Confirm that you want to delete the account by tapping on the "Delete" button.

Alternatively, you can also sign out of Gmail on the iPhone Mail app by going to Settings > Mail, Contacts, Calendars > [Your Gmail Account] > Sign Out.

Note: If you have multiple Gmail accounts set up on your iPhone, you will need to sign out of each account individually.

It's also worth noting that signing out of the Mail app will not sign you out of the Gmail website or other apps that use your Gmail account. If you want to sign out of all devices and apps that use your Gmail account, you will need to sign out of your Google account on the Google account settings page.