lg g3 bricked,used board diag it says ap check failed device not in dload mode plz help

[adil ismail12]

bricked my phone by flashing twrp niow theres no recovery or download mode in my phone
by sort pin method it succesfully shows as qcomm hs usb 9008
but board diag says ap check failed device not in dwnld mode
any help would be appreciated