Firefly Resource Repository
One-stop downloads for firmware, tools, drivers, SDKs, file systems and more.
Core-3288J
Documents
3D Model
Specification
Firmwares
Android 5.1
Ubuntu
Source Codes
Android 5.1 SDK
Linux_SDK
Tools
SD_Firmware_Tool (common)
RKDevTool (common)
The old version is called AndroidTool. Firmware upgrade tool.