Check the log file created by spft, it will gjve more detailed info about the error. It creates some 5 log files, i dun think all spft versions do it tho.
Anyway, the penultimate one i think is the log of the flashing attempt, just saying from top of my mind, i'm not at the pc.
Anyway, the penultimate one i think is the log of the flashing attempt, just saying from top of my mind, i'm not at the pc.