Download Android Nougat 7.1 firmware PC version for Mecool M8S Plus DVB TV Box from here or here. Download Android Nougat 7.1 firmware SD card version for Mecool M8S Plus DVB 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: M8S_PLUS_DVB_RS6060-NHG47L-20190226.104739.V0213 / M8S_PLUS_DVB_RS6060-ota-20190226.104739.V0213
Image: M8S_PLUS_DVB_RS6060-NHG47L-20190226.104739.V0213.img / M8S_PLUS_DVB_RS6060-ota-20190226.104739.V0213.zip
Archive file size: 591 MB / 686 MB
Platform: AMLogic S905d
OS: Android Android Nougat 7.1 stock
Model: Mecool M8S PLUS DVB S2 1GB/8GB TV Box
Build number: Amlogic/p21x/p21x:7.1.2/NHG47L/20190226.104739.V0213:userdebug
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.