V8 UHD升级问题

[chenpei]

我现在的V8 HD是去年升级的火星固件，火星固件里升级固件在哪个菜单，还有能刷原厂固件吗，谢谢

[CAJE]

You can do it from USB or from the APP>Updated by OTA
To leave Mars you can use a RS232 DB9 cable, a good quality USB-Jsck RS232 cable or use a programmer clip