Download Android Jelly Bean 4.2.2 stock firmware for Tronsmart A928 TV Box from here, here or from here. You can find others Tronsmart firmwares here.
Firmware: Tronsmart A928_4.2_20140725
Model: Tronsmart A928 TV Box
Archive size: 384 MB
Image file name: Tronsmart A928_4.2_20140725.img
Platform: Rockchip RK3188T
Boot version: 1.20
FW Version: 4.4.02
ConversionConversion EmoticonEmoticon