Notifications now appear as banners at the top of the screen and can be swiped up to dismiss them without clearing them from the notification tray.
This means stability can vary wildly between builds. rk3188 android 5.1 firmware
: Sites like AutoPumpkin still host legacy 5.1 links for specific car head unit models like the RQ0268. Notifications now appear as banners at the top
represented a significant milestone in extending the lifecycle of these legacy devices. Hardware Overview rk3188 android 5.1 firmware