I can see that the webOtp API is not supporting by the Firefox browser on mobile android devices. Where as the other browser are supporting it like Chrome, Opera,etc Could you please let us know, why it is not supporting? Do we have any alternative for the same? When it will start to support it, etc Please go through the below URLs. https://developer.mozilla.org/en-US/docs/Web/API/OTPCredential https://caniuse.com/mdn-api_otpcredential please suggest the solution on it. Thanks