Kaiser P4550 AT&T Tilt Stuck in ATT SCREEN

[ownage]

Hi.. just updated my radio then the phone turned on normally but after it powered off and stuck at ATT Screen.. Any solution?
Already tried flashing new rom .. new radio and also doing hard reset..

[kareeem]

Enter bootloader mode and flash the stock ATT ROM.

[scotchua]

Hi.. just updated my radio then the phone turned on normally but after it powered off and stuck at ATT Screen.. Any solution?
Already tried flashing new rom .. new radio and also doing hard reset..

which rom/radio did you flash?

[ownage]

I suppose to be KAIS_Radio_Only_1.65.14.06_CustomRuu.nbh dont remember for sure.//
because i tried like 3 times with different one .. until i got one working for sound..
but after one day phone poowered off and doesnt want to turn on ..
only stuck in att..!