Download latest Android KitKat 4.4.2 stock firmware for Acemax KII TV Box from here or here. Download previous firmware from here. Download Android Lollipop 5.1.1 beta firmware for Acemax KII TV Box from here.
Archive: KII OTT 4.4 20151022
Model: Acemax KII TV Box
Archive size: 645 MB
Platform: Amlogic S812
Build number: KII-user 4.4.2 KOT49H 20151022.174727.V0823 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.
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