Download Android Nougat 7.1.2 firmware for Magicsee C300 Pro TV Box from here or here. Download Android Nougat 7.1.2 firmware for Magicsee C300 TV Box from here. Download Amlogic USB Burning Tool v2.0.8 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Archive name: C300 Pro android 7.1 20180704
Image: C300 Pro android 7.1 20180704.img
Archive file size: 816 MB
Model: Magicsee C300 Pro TV Box / C300PRO
Platform: AMLogic S12
Build number: q200-user 7.1.2 NHG47L 20180703 release-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.