Download latest KitKat 4.4.2 Stock Firmware for Cloudnetgo CR12 / CR13 / CR16 TV Box from here or here. Download previous stock firmware from here.
Archive name: CR12_cloudnetgo_AP6330_20141111_3
Archive file size: 326 MB
Image file name: CR12_cloudnetgo_AP6330_20141111_3.img
Support: Rockchip RK3288
Boot version: 1.25
FW Version: 4.4.02
ADS HERE !!!