If you aren't receiving the text at all, try these quick fixes:
Technical workarounds often involve resetting how your browser interacts with Google's recovery servers: gmail password recovery via sms link fix
: Use a familiar Wi-Fi network (like home or work) rather than a VPN or public hotspot. If you aren't receiving the text at all,
Losing access to your Gmail account can be frustrating, especially when you're unable to recall your password. Fortunately, Google provides a password recovery process that allows users to regain access to their accounts via SMS. However, some users have reported issues with receiving the SMS link, which can hinder the recovery process. In this review, we'll discuss the Gmail password recovery process via SMS, common issues that may arise, and potential fixes. However, some users have reported issues with receiving
You request a password reset, Google sends an SMS to your phone with a link, you click it... and nothing happens. Or worse, the link leads to an error page, a "Try Again in 24 Hours" message, or simply loops back to the login screen.
Account recovery with phone sms is not working - Google Help