megasat yt6688 dead with bin file 273 need jtag files please help thanks

last 2 links in my signature will take you to a jtag kit with files and instructions.
select fortec ultra as model type in jkeys.
select the proper connections according to the # of jtag pads/pins your recievert has.
read both readme's for an appropriate full bin to flash your reciever with.