I fked up my Xem

[iahimsogard]

Also try this, sometimes it needs -p 00000000

Broken T5577 - Modulation 0x1F unknown

Try " lf t55xx write -b 0 -d 000880E8 -p 00000000 "as a recovery or if you have access to a blue cloner or something similar, sometimes they can force a t55 in a normal state