LG G2 d802 stuck in fastboot topic

My lg g2 stuck fastboot after flash kenrel in cwm me reboot phone get

Fastboot mode started
Udc start

Iam try all topic for fix but not work
My LG G2 D802
32GB
Android Kitkat 4.4.2

Iam try code i cmd :
[B]Fastboot erase recovery
Fastboot erase laf
Fastboot flash laf laf.img
Work

But after tybe fastboot reboot my phone back to fastboot[/B]

Pleale Speed help