Just found this elsewhere:

Revised original file to fix bugs.

CS_221Tv2 serial bin FLU & 2500 to 2700

THIS IS FOR RECEIVERS THAT HAVE BEEN CONVERTED TO PANSAT 2700

ALSO Included is new Jtag file those who need to load by Jkeys

Upgrade via Serial port use: CS_221Tv2_Lightning_100t_Series_serial
Upgrade via Jtag use: CS_221Tv2_FS-LifeTime-Ultra - Flash 1(29LV800BTC) - Full

WARNING: Use all files at your own risk