Download Android Jelly Bean 4.2.2 stock firmware for Ippli Mars I2C TV Stick from here or here. Download another Ippli firmware from here.
Archive name: X32s_RK3188_IPPLI_V422_131012
Image file: update.img
Archive file size: 226 MB
Firmware: Android Jelly Bean 4.2.2 stock firmware
Model: Ippli Mars I2C TV Stick
Platform: Rockchip RK3188
Boot version: 1.20
FW version: 4.2.02