Download Android Nougat 7.1.2 firmware for Mecool KII Pro Hybrid TV Box PC version from here or here. Download Android Nougat 7.1.2 firmware for Mecool KII Pro Hybrid TV Box PC version from here or here. Download previous firmware 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: KII_PRO_AVL6862-NHG47L-20190311.150521.V0213 / KII_PRO_AVL6862-ota-20190311.150521.V0213
Image: KII_PRO_AVL6862-NHG47L-20190311.150521.V0213.img / KII_PRO_AVL6862-ota-20190311.150521.V0213.zip
Archive file size: 560 MB / 681 MB
Model: Mecool KII Pro Hybrid TV Box
Platform: AMLogic S905D
Build number: Amlogic/p21x/p21x:7.1.2/NHG47L/20190311.150521.V0213:userdebug/ / KII PRO-userdebug 7.1.2 NHG47L 20190311.150521.V0213
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.