DM 900 UHD won,t boot

Hello Mates

I have a serious problem with my newly bought DM900. after flashing it with openpli image , it hangs on rebooting for a long time . then i off it fro the back and on it again it stops at red light nothing more. Please if somebody has idea on how to fix this issues. I,m honestly wating for direction.

Thanks in advance.

dixy

internet could not be connected in this mode. so i cannot get to upddate-rescue-V. mode. it only on blink once red/blue then hang on red standby mode.

Somebody help please