yes i have an orig.bin in my backup folder.i user bootmaker 5.3 to flash my ts-h943 ms25 with extreme 52.it red my f:w it told me it was copying my orig f:w 2 hacked f:w 2 make a new hacked f:w & updated the 4 banks.just like the tut said.& ive tryed mtkflash w /m orig.bin & it lets me select extreme pri 1 then it says somethin like err port 4800 o/i & stops.does this help.thx 4 your replies