help!!!!!!!!!!!!!!!!!!

my phone has entered into boot loop :crying::crying:
i mistakenly opened twrp with kernal
and from then it is in a bootloop
and the recovery mode is showing
=>fastboot mode.....
please help me:crying::crying::crying::crying::crying::crying:
i have also tried to install stock ROM
with YGDP but is stucks in b/w
and
shows
entering download mode.......
please help me!!!!
thanks in advance:fingers-crossed::fingers-crossed::fingers-crossed::fingers-crossed::fingers-crossed: