To fixwd your Google account related issues cisit here and discuss your issues with Google live Chat Support team and get their solution instantly. You will get complete solution

Google live chat: Fix Google Account Related Problems with Real-Time Support

If you want to know that how to make backup your Gmail account then visit here and take help by the Gmail Help Number.

How to take a full backup of Gmail account?

If you get so many emails in your emails account by the Facebook and you want to remove Facebook link from Gmail account then visit here. Gmail Customer Support Number is also available to support you.

How do I remove a Facebook account from Gmail?

Unable to fixed sync errors with the Gmail Android app contact Gmail Customer Support and visit here to know that how to fixed it:

How to Fix sync errors with the Gmail Android app - Gmail Help

You can discuss your Gmail account related issues with Google live chat if you unable to resolve it. 

How can I send an email to Google?!! Live Chat Support

If you want to delete your Google account in your phone then you can take help from their:

Delete my Gmail account from my phone | Technical Support Team