help me please

[Guest hummam]

hi all i have huawei u8220 and i tried to update the version but i think that i loaded wrong boot image via fastboot ,now when i power mobile on it vibrate and screen lights low and adb can not detect the phone nor fastboot can not detect it too ,now all that i want is to restore the 1.5 offcial rom (i downloaded it) but how to do this just one think i can not inter fastbot mode or update or recovery mode thanks alllllllllllllllllllllllllllllllllllll