I notice there is a latest 3500A FW bases on the newest TDK 1616N called 278.bin (from CDRInfo). Being so happy with the TDK's 2C7 FW (from The Dangerous Bros'), I decide to give it try. However, it only came as bin file without a flasher, so I have to use NECWinFlash.exe to flash it.
Now, I want to go back to 2C7. When I try to flash back with Dangerous Bros' 3500Fast.exe in the 3500W2C7.zip, 3500Fast.exe (MDFast.exe too) does not even launch, it just died.
My speculation is that NECWinFlash.exe somehow locked the FW, so that other flashers can not mod the FW anymore. Is there a way to fix this, so I use The Dangerous Bros' 3500Fast.exe or other TDB flashers again.