Core Points - Xiaomi is introducing a "read" button in the notification banner for SMS in the upcoming update of its Surge OS 3, which is being rolled out gradually [1] - The feature was previously available but removed in later updates, as noted by user discussions [1] - Users have also requested an automatic filling feature for SMS verification codes, to which Xiaomi's staff responded positively, indicating future support [1] - The official Xiaomi Surge OS Weibo account announced the "one-click read" feature for SMS in OS 3, allowing users to batch mark unimportant notifications, enhancing interface cleanliness [1]