Realme rolled out the stable build of Android Pie-based ColorOS 6 for the Realme 2 yesterday, and now it's turn for the Realme C1 to get that update. This firmware comes bearing version number RMX1811EX_11_A.54 and weighs 2GB in size. It bumps up the Android security patch level on the C1 to June 5, 2019, and brings along Riding Mode and Theme Store. You can check out the full changelog down below: System Added notification icons in status bar Added a new navigation gesture Added app drawer to ColorOS launcher Added Riding Mode Android...
Source: https://www.gsmarena.com/realme_c1_android_pie_update-news-37978.php