Android 5.1 handles the typical 1GB or 2GB of RAM found in RK3188 devices much more efficiently than KitKat (4.4).
While specific steps can vary slightly depending on your exact TV box or tablet model, the universal Rockchip flashing workflow follows these lines: Step 1: Backup and Preparation rk3188+android+51+firmware+better
Upgrading to an Android 5.1 custom ROM provides critical structural and aesthetic enhancements over stock KitKat firmware. 1. Architectural Shift: ART vs. Dalvik Android 5
: With only 1GB or 2GB of RAM, the improved garbage collection in 5.1 stopped the constant stuttering during video playback. The "Secret Sauce" : Leo installed Kodi 16.1 (Jarvis) Architectural Shift: ART vs
Android 4.4 used Dalvik (JIT compilation). Android 5.1 introduced ART (Ahead-Of-Time compilation). On the RK3188’s 28nm process, ART results in: