cannot flash my atom exec

[wongja]

when i booted the machine into bootloader mode, (i wanna flash my exec from english to chinese), it always says "Use DSUU in OS mode, sync with PC first", and I always get connection error at PC at the same time...

what should i do?

[whoami]

me too, how to fix it ?

[whoami]

My device is real Chinese ATOM Exec & I tried to flash it from Chi to Eng & it stop at

[alc]

can anyone help us???