htc surround usb host mode prroblem

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Hi, I have htc surrround. it is a half brick phone. I tried to make a gold card, and
I did, the usb cable worked fine, but..... When I held the volume down and camera buttons together, SPL screen (with red, green, blue and white screen) came out, but not usb host... what is the problem?

does it mean that, the only way is the JTAG?

I too would be changing the way through to HSPL to see if you put another type of ROM and now it does not recognize the USB (and bad that when you install the operating system did it in a memory of 2 GB and now it is how to make so that it can install on other higher-capacity memory = (