wrong downgrade radio (spl 2.03)

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i just buy 838pro last week and find out already flash a 3rd party rom .
when i flash back "RUU_Hermes_DOPODASIA_WWE_3.54.707.3_6275_1.47.00. 10_108_Ship"
after finish i power up but no any sceen come out only got green led on.

now i try to flash other rom only 1% will show error ( picture below )

is it i wrong downgrade radio rom ?

HERM100
IPL-1.04
SPL-2.03

ANYONE CAN HELP ME?

anyone know what problem?
wrong downgrade radio? spl problem? no hard spl ? no unlock Bootloader ?

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