Free Fire: How to transfer account from Facebook to Google
Game and General Inquiry section, and select See all 22 articles. Scrolling down you will find How to submit a request. This will explain how to submit a request. You need to submit an account transfer request to change accounts. Before you do this, make sure that you know your email address, Facebook account details, your Google account details, your Free Fire ID, your in-game name, and your server location. How to submit a Free Fire request Once you have made a note of all these details you will need to select the Submit request button in the top right corner of the screen.
Source: ccm.net