need help on how to flash cuberevo 250 hd stb.

please can somebody give me how to flash this stb? because i have been trying but can't get it .please kindly assist me. thanks.

Specifically, what problems do you have? What does not work, or what does STB? What image?
What do you put on estb?

Hi,i used sifteam e2 latest image,& follow the step by step for upgrading the stb, but yet the front panel of the box doesn't show any usb upgrade,rather it only show usb & nothing more.please kindly assist.thanks.

USB formatmeat in fat32 in the windows. Copy /sifteamExtreEditionxx .. xxy.img,/ rename,,,,, usb_update.img,,,/ Stop the plug, plug back in, pressed the button, on / off, continue until you see usb update / preset up buton, and normally it should work, not walk until you upgrade your STB, and write on the display, , Done,,

Sorry for the english!