Download Android KitKat 4.4.2 stock firmware for TV01II TV Box from here or from here. Download previous firmware from here.
Firmware: TV01II _AP6330_RK3288 public_root_firmware_175233 20141226
Model: TV01II TV Box
Archive size: 466 MB
Image file name: T032_AP6330_public_root_20141224.img
Platform: Rockchip RK3288
Boot version: 2.17
FW Version: 4.4.02