Here is the Stock firmware For TV01 RK3188 Quad Core Mini TV BOX, PLS NOTE: this firmware is only for itemcode 320161 @geekbuying.com.
Click here to download Firmware for TV01
update method should be the same with K-R42, but one point should be noted:
only one USB port which is near the TF card port can be used for updating.
K-R42 UPDATE method FYI: