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In case you don't have access to that phone number, you can choose 'I can't access my phone' and then select recovery via email. So, you need to have one of these: either the phone number or the email you previously used to activate Gmail.
https://Mytour.vn/lay-lai-mat-khau-gmail-tren-dien-thoai-3934n.aspx
This is how Mytour.vn guides you on recovering your Gmail password on your mobile phone through the Gmail app. Additionally, you can learn how to create an Email signature on iPhone to make your emails more professional in work environments or warmer in friendships and professional relationships. Best of luck with recovering your Gmail password!
