| Metric | Android 4.4.2 (Stock) | Android 5.1.1 (Custom) | Improvement | | :--- | :--- | :--- | :--- | | | 18,500 | 24,100 | +30% | | RAM Copy Speed | 1,200 MB/s | 1,850 MB/s | +54% | | Web Browsing (Sunspider) | 1,500 ms | 950 ms | 37% Faster | | WiFi Reconnect Time | 5.2 sec | 1.1 sec | Stable | | 1080p H.264 Playback | Stutter every 30s | Butter smooth | Flawless |
Published by: RetroDroid Magazine | Reading time: 9 minutes rk3188+android+51+firmware+better
For years, users were stuck with Android 4.2 (Jelly Bean) or 4.4 (KitKat). But thanks to a dedicated community of developers on XDA-Developers and FreakTab, a specific combination has emerged as the holy grail for performance and stability: . | Metric | Android 4
The RK3188 is a 28nm quad-core Cortex-A9 processor. When it launched with Android 4.2, it was a speed demon. However, as app developers moved to ART (Android Runtime) and modern GPU interfaces, KitKat began to show its age. When it launched with Android 4