Gamma Card Unlocker
1. Send the following string to the card to get it to unlock.
0930421AA4AB0E9251A100E5A9C4B296
If that does not work try this
2. open your programmer
set it at phoenix mode
choose 6 mhz(to my pc)
hide
insert card and connect serial cable
open the unlocker
tick 6 mhz
tick the com port(i use the com 1)
wait little time and atr is back and card unlocked
exit all programs and close
take card out
use your favourite loader and file ... once again
NOTE EDIT:
may not work for all gammas
Thanks to daskalos, besttt, payhack