Download Android KitKat 4.4.2 Stock Firmware from here.įW version: v3.1 / TU-7981BSV3.1_20150326īuild number: astar_chiphd-eng 5.0 LRX21V 20150326 test-keysĬaution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. This firmware is for Trimeo 7” tablet with Allwinner A33 CPUĭownload Android Lollipop 5.0 firmware for Trimeo 7” tablet from here or from here.
