I have been using custom rom for a while, but recently I made a big mistake by flashing the wrong kernel version on my device (used D800 instead of D802).
My device was nearly dead so I used LG support tool in download mode to go back to stock (recovery after error option or something like this) . my device booted up normally, so I rooted my device and installed custom recovery using AutoRec and it worked.
My problem is that since then If I flash any kernel, rom or mod I can not boot up my device, it gets stock at LG logo. the only way to bring it back to live is using LG Mobile support tool and going back to stock!!!
I wiped every thing before , flashing? followed every step...but same problem again and again