HEX for the USB SPI Nand flasher, Service mode

I have Matrix NAND Programmer MTX SPI NAND Flasher V1.0 Fast USB SPI NAND programmer

I need to get this working with a hex file to get into factory service mode on the ps3
I patched nand for 3.55 but cannot get this to activate factory service mode

I tried so many hex files

Please can someone help me


Thanks in advance
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