Boot openbox x5 from usb ("recovery")

You should use 16mb firmware file and rename as KD_P9000E_HD.bin, The file in POST no 1 is for openbox x5 only I guess, not for X5 pro.
Use original x5 pro and try

i have Openbox x5 and i do almost all procedures to recover my box from this s/w check authentication error. in my case. everything done fine.
box pickup recovery file and start checking it. after it erase old s/w and install new one. at the end. setup done 100% and on front panel U100 is changed into OK .
but stuck here. not auto restart my box.
but when i do my box restart manualy.
the firmware was changed. but soon again error remains ....
i do it with every procedure i saw on internet.
when i use rs232 procedure. its works with alot of timeout. but at the end. same error. also use the 3 procedure here. but fails.... software updated. but after it. again same security chip error.

please guide me
board version
SP 1512 Ver. 1.1
29-12-2013
on chip it's
SUNPLUS
SPHE 1512A
1427-DRNM
3700030-

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