参见刚才那个网址的319楼
原话:The way to unbrick depends if "service mode" works... if works... then install one of this .pup's (rogero, the one in the wiki, or do it yourself with MFW)
If service mode doesnt works... then is needed a hardware flasher and apply a patch to your original cfw 3.55 dump to bypass this hash checks (flowrebuilder can do it iirc)... and write it