Security researchers have discovered that Xiaomi's default web browser records and transmits user data to remote servers. It includes potentially sensitive information such as search engine queries and browsing history, and the behavior persists even in the supposedly anonymous incognito mode. A Xiaomi spokesperson has denied allegations of wrongdoing and states that this is standard practice.
https://www.notebookcheck.net/Xiaomi-s-default-web-browser-allegedly-records-users-browsing-habits.463412.0.html