This firmware is for Zidoo X10 TV Box with Realtek RTD1295 as CPU. Flash Sale Alert! You can now buy Zidoo X10 Android TV Box from Gearbest.com for a very good price.
Download Android 6.0 stock firmware v2.1.22 for Zidoo X10 TV Box from here or here. Download previous firmware from here.
OTA / Download and install ZDMC application, use it to apply local update.