Download latest KitKat stock firmware for EKB328 TV Box with RK3288 SoC from here or here. You can download previous version from here. More details about EKB328 TV Box you will find here.
Firmware: update_EKB328-2014-09-22
Model: EKB328 TV Box
Image file size: 344 MB
Platform: RK3288
Boot version: 2.15
FW version: 4.4.02
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