The 2.18 hboot comes with the latest at&t 5.18 update. Did you not search before creating this thread?

Sent from my MID-1040
HTC Evita | CandyKat | Torched KK
S-off | 2.18 | TWRP 2.7.1.0
Do not PM me asking for assistance, that's what my Q&A thread is for!