Realme has released new software updates for the Realme 3, 3i, and 2 Pro which bring in system-wide dark mode and November 2019 Android security patch to the smartphones. These updates also come with a redesigned notification center and enable you to swipe left or right to clear notifications. Until now, you could only dismiss notifications with a right swipe, and swiping left displayed notification snoozing options. Realme 2 Pro Apart from that, the new builds add option for notification dots for updates and bring increased third-party app support for the Clone Apps...
Source: https://www.gsmarena.com/realme_3_3i_2_pro_dark_mode_november_2019_security_patch-news-40074.php