browse deeplink can be used before a Connect event takes places, as it does not require a session param.
The
browse deeplinks are not intended to be pasted into mobile web browsers. These deeplinks must either be handled by an app or clicked on by an end user.URL structure
Parameters
url(required): The URL that should open within Phantom’s in-app browser, URL-encoded.ref(required): The URL of the requesting app, URL-encoded.