Download Android 7.1 stock firmware for Tanix TX3 Mini TV Box from here, here and here. Download previous firmware version from here. Download Amlogic USB Burning Tool v2.0.8 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Archive: Tanix TX3 Mini_S912_07112017
Model: Tanix TX3 Mini TV Box
Image file size: 606 MB
Platform: Amlogic S905W
– Updated google playstore
– Chromecast support
– iOS 11 airplay support
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.