: If you're running a ROM from an SD card, use a Class 10 or UHS-I card. Legacy chips like the RK3188 are notoriously sensitive to slow read/write speeds, which can cause the system to hang. FreakTab.com - Rssing.com

, providing a clean, "stock" Android experience, though they may require manual tweaking for specific hardware like car radios. How to Upgrade Your RK3188 Device (General Steps)