i have successfully complete unlock boot loader but didn't install any custom ROM. after some days i got OTA update of jellybean that was 365 MB, i completed the download and going to install,

when i press install now then it show installation abroad due to signature verification fail.

then i go to disable signature verification and go install,

it install successfully complete

then i go reboot but its change the window and sowing HTC quietly brilliant with white screen hole time. dont change the window and don't open the phone

but i can access the boot loader mode by pressing volume with power button
please expert's to solve it..