Download Android KitKat 4.4.2 stock firmware for HD18Q MXQ Amlogic S805 TV Box from here or here. Download previous firmware version from here.
Archive: HD18Q_08232014_1104.rar
Firmware: hd18q-ota-20141104.zip
Firmware: Android KitKat 4.4.2
Archive: HD18Q_08232014_1104.rar
Firmware: hd18q-ota-20141104.zip
Firmware: Android KitKat 4.4.2
Model: HD18Q TV Box
Image file size: 375 MB
Platform: Amlogic S805
Image file size: 375 MB
Platform: Amlogic S805
Build number: hd18q-user 4.4.2 KOT49H 20141104 test-keys