Download Android Marshmallow 6.0 OTA local update firmware for Lantic UHD S200 TV Box from here or here. Download Android Marshmallow 6.0 PC update firmware for Lantic UHD S200 TV Box from here or here. Download Amlogic USB Burning Tool v2.0.8 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Archive name: S905X-uhd-s200-ota-20170308 / Lantic(UHD-S200)_s905x_rtl8723bs_20170308_r1
Image: S905X-uhd-s200-ota-20170308.zip / Lantic(UHD-S200)_s905x_rtl8723bs_20170308_r1.img
Archive file size: 550 MB / 497 MB
Platform: AMLogic S905X
Build number: Amlogic/p212/p212:6.0.1/MHC19J/20170308:user/test-keys
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.