Firmware Fiberhome hg680-p (stock indihome)
required windows PC, minimal win 7, sdcard at least 8 GB class 10. I tried a 32 GB class 10.
#Download all files in folder mega.
#Unzip bootcardmaker, then plug your sd card ,depending on the port your PC. run bootcardmaker, chose disk: (name of the drive your sd).
#Unzip hg680p-ori.zip until you get the file hg680p-ori.img, don't change any name.
#Then copy all files to the root folder of your sdcard, unplug and then plug in the your TVbox, turn on the your tvbox, wait until the progress of the upgrade is complete.
Stock Firmware Indihome hg680-p