i need help too. ive been trying too flash the phone using: maemo_flasher-3.5_2.5.2.2.exe on windows XP.
with firmware: RX-51_2009SE_2.2009.51-1.002_PR_COMBINED_002_ARM.bin
USB icon appears on top right of screen, but nothing happens after i start the command: flasher-3.5.exe -F (insert file name here) -f -R