Download Android Marshmallow 6.0 stock firmware for Nexbox A5 TV Box from here or here. Download previous firmware from here. Read here about the unboxing of Nexbox A5 TV Box. Nexbox A5 TV Box First Impressions & Quick Review here.
Archive name: Nexbox A5 firmware
Image: A5(1G+16G) August 2016 – cyx_NEXBOX-A5_rtl8723bs_16g1g_kodi_addons_160808_USB&SD – aml_upgrade_package.img / A5(2G+16G) August 2016 – cyx_NEXBOX-A5_ap6330_16g2g_kodi_addons_160806_USB&SD – aml_upgrade_package.img
Archive file size: 1.22 GB
Platform: AMLogic S905X=
Inside archive: firmware + aml_sdc_burn.ini + u-boot.bin.sd.bin
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.