Just in case someone needs this here are stock recovery.img and stock boot.img for LG Optimus F7 (Boost Mobile). Both have been confirmed and working fine.
Haven’t tested it yet. So if something goes south you can flash back to stock again. Goode Luck!
Boot.img and recovery.img:
LG Optimus F7 Phone Photos – LG Cell Phone Pictures
LG Cell Phone – Related Posts