Hi kunix,
I tried the search again using the fw_all.bin for 310 blk 566, 610 blk 596 and 2x5 blk 1074. No joy for the 310 or 610, but on the fw_all.bin of 2x5 the search 31 00 30 00 35 works. I guess searching the .rgn file would be ok too?