My bb stuck on boot screen ,
first bcos the built in media asks to format and i didnt do that.
Then i flashing my bb using factory os bb
ever turn on bb then turn off again , i forget format the built in when turn on
now its resetting always after install new os n stuck bootloader
It looks your device is nuked now .. So I recommend checking this thread : How-To Recover A Nuked Blackberry - with Pictures
Also you can find here the latest Official OS for your device.
Waiting for your feedback!